PNY GeForce RTX 5080 Slim OC Review - A Compact 4K Powerhouse

PNY's compact and slim GeForce RTX 5080 graphics card pairs NVIDIA's custom and impressive Founders Edition with overclocked performance.

PNY GeForce RTX 5080 Slim OC - A Compact 4K Powerhouse
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Manufactured by PNY with an MSRP of $1399.99 (GeForce RTX 5080 Slim OC Graphics Card)
22-minute read time
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Our Verdict

PNY's new GeForce RTX 5080 Slim OC is one of the most compact custom cards to date, with a dual-slot thickness and dual fans. And even though it's slim and lightweight, it still stays cool while delivering impressive 4K gaming performance bolstered by DLSS 4.

Pros

  • Built for 4K gaming
  • Rare, compact dual-slot RTX 5080 design
  • Overclocked performance with impressive cooling
  • Path tracing with DLSS 4 is a game-changer

Cons

  • Large performance gap between this and the RTX 5090
  • Not a massive generational leap forward over the RTX 4080
  • Current GPU prices for the RTX 5080

Should you buy it?

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Introduction

The new PNY GeForce RTX 5080 Slim OC more than lives up to its namesake because, outside of NVIDIA's Founders Edition model, it's the only dual-slot, dual-fan custom GeForce RTX 5080 card on the market. And with OC right there in the name, it's overclocked and ships with a decent +110 MHz increase to the Boost Clock. And with that, right off the bat, it's faster than the Founders Edition model. Which is great to see because the GeForce RTX 5080 is one of the most overclockable cards in the GeForce RTX 50 Series lineup.

It's also one of the most powerful, with its 4K gaming performance only eclipsed by the flagship GeForce RTX 5090 and the previous-generation GeForce RTX 4090. And when you look at prices for the RTX 5090 and the few remaining RTX 4090 GPUs out in the wild, the GeForce RTX 5080 remains the most sensible high-performance enthusiast-class PC gaming graphics card. This fact adds another layer of impressiveness to PNY's design, because you've also got a GeForce RTX 5080 that's smaller than most GeForce RTX 5070 cards. It's the sort of GPU that won't have any issue slotting into a compact build, with ample room for airflow.

As for how and why, the answer is pretty simple - the PNY GeForce RTX 5080 Slim OC makes use of NVIDIA's custom PCB design for its flagship GeForce RTX 50 Series Founders Edition cards, which is smaller and more compact to allow for a Double Flow Through design with twin fans. Here you've got dual high-quality 120mm fans, a massive vapor chamber, and a metal backplate with a vent so large you can almost see the entirety of one of the 120mm fans through the heatsink and fin stack. This is PNY's take on NVIDIA's reference design, as seen in the Founders Edition model, and from a performance and cooling perspective, you could easily argue it's the more impressive of the two.

Ultimately, 4K gaming is what the PNY GeForce RTX 5080 Slim OC is all about, with support for DLSS 4 and new technologies like DLSS Dynamic Frame Generation opening the door to impressive 100+ FPS path tracing performance in some of the most visually demanding games. It's a compact PC gaming powerhouse, so let's get to the review.

RTX Blackwell - NVIDIA's Gaming Architecture for the AI Era

Below is a summary of NVIDIA's GeForce RTX 50 Series and RTX Blackwell architecture, applicable to all models.

NVIDIA describes 'Neural Rendering,' which includes all previous versions of DLSS and the brand-new DLSS 4, as the 'next era for computer graphics.' They're not alone; the Lead System Architect for the PlayStation 5 Pro console, Mark Cerny, said that ray-tracing is the future of games and that AI will play an integral role in making that happen. DOOM: The Dark Ages developer id Software shared a similar sentiment, adding that the arrival of DLSS was an 'inflection point' for PC game visuals and performance, and on par with the arrival of dedicated GPUs and programmable shaders.

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With the arrival of the Blackwell generation and the GeForce RTX 50 Series, AI is now being used to accelerate programmable shaders with the brand-new RTX Neural Shaders. Yes, these are actual neural networks that use live game data, and the power of Tensor Cores to do everything from compress textures, render lifelike materials with a level of detail impossible to match using traditional rendering methods, and even use AI to partially trace rays and then infer "an infinite amount of rays and bounces for a more accurate representation of indirect lighting in the game scene."

PNY GeForce RTX 5080 Slim OC Review - A Compact 4K Powerhouse 1

RTX Mega Geometry is impressive in its own right; it essentially increases a scene's geometry detail and complexity (triangles or polygons) by up to 100x. 100 times the detail, it's hard to wrap your head around - but the added benefit in a game like Alan Wake 2 is dramatically improving the performance of the game's Full Ray Tracing or Path Tracing mode. With DLSS 4.5 and RTX Neural Shaders, NVIDIA's GeForce RTX 50 Series and RTX Blackwell architecture (which includes the same AI optimizations as data center Blackwell) can be viewed as the turning point for PC gaming - the moment when AI becomes integral to everything from designing a game to programming and then finally rendering it on a 4K display to play.

DLSS 4 and 4.5 include more goodies than NVIDIA's highly touted new Multi Frame Generation technology, but let's start there. DLSS 3's version of Frame Generation has evolved with DLSS 4, powered by Blackwell hardware and software, and an innovative use of AI to generate frames 40% faster while using 30% less VRAM. Switching to a new model also means that Frame Generation and Multi-Frame Generation could eventually come to GeForce RTX 20, 30, and RTX 40 Series owners. DLSS 4 benefits all GeForce RTX gamers.

However, with the 5th Generation of Tensor Cores in the GeForce RTX 50 Series delivering 2.5X more AI performance, NVIDIA's latest GeForce RTX 50 Series GPUs can execute five complex AI models - covering Super Resolution, Ray Reconstruction, and Multi Frame Generation in a couple of milliseconds. Part of the reason it happens so quickly is the addition of hardware Flip Metering, which shifts frame pacing to the Blackwell display engine, resulting in frame rates of up to 240 FPS at 4K and higher without stuttering. With up to 15 of every 16 pixels generated by AI, the result is up to 8X the performance when compared to native rendering or rasterized performance.

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DLSS Super Resolution and Ray Reconstruction are also switching to a new 'Transformer' model, with over double the number of parameters and four times the compute requirements. This is one of the most exciting aspects of the GeForce RTX 50 Series, as it pushes DLSS into a new realm of image quality and performance. DLSS 4.5 takes this even further. The best part is that it works on all GeForce RTX GPUs; however, there will be a performance hit compared to running it on an RTX 50 Series GPU. Already available in 250+ games, DLSS 4 and 4.5's Transformer model is another DLSS 2.0-like moment for the technology, and the results speak for themselves.

Even better, DLSS is now integrated into the NVIDIA App with the 'DLSS Override' feature that allows users to experience the latest tech without waiting for a patch or game update. It doesn't stop there, as the new AI Management Processor (AMP) allows AI models to share the GPU with graphics workloads. As a result, expect to see digital humans in games, alongside AI assistants like NVIDIA's Project G-Assist, becoming more prevalent in the coming years. This filters down to the creator side, with AI assistants for streamers, who also benefit from the GeForce RTX 50 Series' expanded creator features.

RTX Blackwell introduces 4:2:2 chroma-sampled video encoding and decoding. The ninth-generation NVENC encoder also improves AV1 and HEVC quality. The flagship GeForce RTX 5090 supports up to three encoders and two decoders, delivering a 50% gen-over-gen speed improvement over the GeForce RTX 4090. The GeForce RTX 5080 adds a second decoder compared to the GeForce RTX 4080. RTX Blackwell is a game-changer for creators and editors, especially with its new low-voltage, cutting-edge GDDR7 memory that dramatically improves bandwidth and speed.

Specs and Test System

Specifications

Here's a look at the specs for the GeForce RTX 5080 compared to the previous generation's GeForce RTX 4080 and GeForce RTX 4090, as well as the GeForce RTX 5090.

GPU SpecsGeForce RTX 5090GeForce RTX 4090GeForce RTX 5080GeForce RTX 4080
ArchitectureBlackwellAda LovelaceBlackwellAda Lovelace
ProcessTSMC 4NTSMC 4NTSMC 4NTSMC 4N
CUDA Cores2176016384107529728
Tensor Cores (AI)680 (5th Gen)512 (4th Gen)336 (5th Gen)304 (4th Gen)
AI TOPS335213211801780
Ray Tracing Cores170 (4th Gen)128 (3rd Gen)84 (4th Gen)76 (3rd Gen)
GPU Boost Clock2407 MHz2520 MHz2617 MHz2505 MHz
Memory32GB GDDR724GB GDDR6X16GB GDDR716GB GDDR6X
Memory Interface512 Bit384 Bit256 Bit256 Bit
Bandwidth1792 GB/sec1008 GB/sec960 GB/sec716.8 GB/sec
TGP575W450W360W320W
Swipe / scroll right to see more ->

Built on a similar custom TSMC 4N process to the previous generation's GeForce RTX 4080, albeit with architectural changes, the GeForce RTX 5080's specs suggest a modest, iterative upgrade. Looking at the new RTX Blackwell 80-Class GeForce card, you've got 11% more CUDA, Tensor, and RT Cores compared to the Ada Lovelace 80-Class graphics card, alongside an overall power rating increase to 360W from 320W. As seen across the various GeForce RTX 5080 GPU reviews we've conducted over the past year, this equates to about a 15 to 20% increase in gaming performance, with the kicker being that the RTX 5080 silicon responds well to overclocking the Boost Clock and Memory Frequency.

In addition to a little bit more of everything and faster clocks than the GeForce RTX 4080, the GeForce RTX 5080 also sees a shift to faster GDDR7 memory, with the 16GB delivering an effective memory bandwidth of 960 GB/sec, which is pretty close to the ultra-fast memory of the previous generation flagship, the GeForce RTX 4090. With the 16GB of capacity and speed increase, this is not only a net positive for gaming performance at higher resolutions but also for AI performance, which is further bolstered by the RTX Blackwell generation's support for FP4 (4-bit floating-point) precision on fifth-gen Tensor Cores.

PNY GeForce RTX 5080 Slim OC Review - A Compact 4K Powerhouse 7

As an OC model, the PNY GeForce RTX 5080 Slim OC ships with an out-of-the-box Boost Clock speed of 2730 MHz, representing a 113 MHz increase over the reference design. And thanks to the impressive cooling in this rare, dual-slot RTX 5080 from PNY, this can be pushed even higher with third-party apps. As the GeForce RTX 5080 delivers additional performance when overclocked, the PNY GeForce RTX 5080 Slim OC is notably faster than the GeForce RTX 5080 Founders Edition, with additional headroom to deliver another 5% or even 10% more performance in some titles.

The GeForce RTX 5080 also benefits from NVIDIA's latest video encoding and decoding, with the RTX Blackwell hardware also presenting more robust hardware and technologies for the modern era of Neural Rendering. This includes NVIDIA's new and impressive DLSS 4.5 suite, which features advanced second-generation Transformer models for Super Resolution and Frame Generation. Although these technologies are available across a wide range of GeForce RTX graphics cards, the benefits are more pronounced on GeForce RTX 50 Series cards, as they run faster and more efficiently on the revamped RTX Blackwell architecture, built with Neural Rendering in mind.

ItemDetails
GPUGeForce RTX 5080
GPU CodenameGB203
ModelPNY GeForce RTX 5080 Slim OC
InterfacePCI Express Gen 5
SMs84
CUDA Cores10752
Tensor Cores (AI)1801 AI TOPS (5th Gen)
Ray Tracing Cores171 TFLOPS (4th Gen)
Boost Clock Speed2730 MHz (Boost Clock)
Memory16GB GDDR7
Memory Interface256-bit
Memory Speed30 Gbps
Memory Bandwidth960 GB/sec
L2 Cache Size65536 KB
TGP360W
Display3 x DisplayPort 2.1b with UHBR20, 1 x HDMI 2.1b
Display OutputUp to 4K 12-bit HDR at 480Hz, Up to 8K 12-bit HDR at 165Hz
Power Input16-pin PCIe (3 x 8-pin to 1 x 16-pin adaptor included)
Dimensions300 x 150 x 40mm

Kosta's Test System

ItemDetails
MotherboardMSI MPG X870E Carbon WiFi (Buy at Amazon)
CPUAMD Ryzen 7 9800X3D (Buy at Amazon)
GPUNVIDIA GeForce RTX 5080 Founders Edition (default) (Buy at Amazon)
DisplayMSI MAG 321UPX QD-OLED 4K 240Hz (Buy at Amazon)
CoolerCorsair iCUE LINK TITAN 360 RX LCD Liquid CPU Cooler (Buy at Amazon)
RAMCorsair VENGEANCE RGB 32GB (2x16GB) DDR5-6000 (Buy at Amazon)
SSDSandisk WD_BLACK SN8100 2TB PCIe Gen5 (Buy at Amazon)
Secondary SSDPatriot Viper VP4300 Lite 4TB PCIe Gen4 (x2) (Buy at Amazon)
Power SupplyMSI MEG Ai1300P PCIE5 (Buy at Amazon)
CaseCorsair FRAME 4000D Modular Mid-Tower PC Case (Buy at Amazon)
Case FansCorsair iCUE LINK RX120 MAX RGB 120mm PWM Starter Kit (Buy at Amazon)
OSMicrosoft Windows 11 Pro (Buy at Amazon)

Physical Design and Cooling

Even without any RGB lighting and its minimal all-black physical design, the PNY GeForce RTX 5080 Slim OC is one of those graphics cards that immediately impresses you the moment you take it out of its box. Naturally, this is due to the dual-slot thickness and relatively lightweight build, but it also marks the first time we've seen a GeForce RTX 5080 from a key NVIDIA partner that uses NVIDIA's reference design. A unique design was introduced with this generation's Founders Edition model, featuring a custom, dense, and impressively small PCB and a dual-fan cooling system that has both fans pulling air through the heatsink and fin stack. It's a big departure from most, if not all, custom GeForce RTX 5080 cards on the market.

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Of course, going small is great to see, but not at the cost of thermal performance. Thankfully, PNY has delivered on both counts here, as everything from the vented metal backplate to the high-quality fans and the massive vapor chamber covering both memory and the GPU helps keep temperatures in check without making a racket. The PNY GeForce RTX 5080 Slim OC's compact dimensions of 300 x 150 x 40mm not only make it SFF-Ready but also easy to slot into a Mini-ITX build. And it's lightweight enough that it's also a rare GeForce RTX 5080 card that doesn't require an anti-sag bracket or help maintain a flat 90-degree angle when installed.

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PNY notes that, due to the custom design, the firmware and vBIOS for the PNY GeForce RTX 5080 Slim OC were sourced directly from NVIDIA, in addition to Team Green providing its reference design for PNY to draw from. All in all, it's an impressive physical design, and PNY has extended it to a slightly more compact PNY GeForce RTX 5070 Ti Slim. A move that makes sense, as the RTX 5070 Ti is built on a cut-down version of the same chip that powers the RTX 5080. And like its entire GeForce RTX 50 Series line-up, PNY offers a 3-year limited warranty for peace of mind.

The Games and Tests

PC gaming spans a wide range of genres and styles, from indie games with simple 2D graphics to massive 3D worlds lit by cutting-edge real-time ray tracing. With that, each gamer's needs and requirements vary. High refresh rates and reduced latency are more important than flashy visuals or playing at the highest resolution possible for those who live and breathe fast-paced competitive games. For those who want to live in a cinematic world and become a key player in an expansive narrative, ray tracing and high-fidelity visuals are a stepping stone toward greater immersion.

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Our chosen benchmarks cover various games, engines, APIs, and technologies. For the PNY GeForce RTX 5080 Slim OC, all tests are run at 1080p, 1440p, and 4K, and include results for performance-boosting Super Resolution technologies such as NVIDIA DLSS 4, including Frame Generation and Multi Frame Generation. In many ways, DLSS numbers are more important than native rendering - a title with ray tracing isn't meant to be played without Super Resolution. Also, DLSS technologies like Ray Reconstruction dramatically improve visual fidelity and detail compared to native rendering. However, our benchmark results are still sorted using 'raw performance' or native rendering.

Here's the breakdown of games, settings, and what's being tested.

Games and Settings Benchmarked

GameDetails
Anno 117: Pax Romana (RT)City-building real-time strategy game that uses a custom engine with ray-traced global illumination and detailed environments. In-game benchmark used with Very High graphics settings.
Assassin's Creed ShadowsUbisoft's most recent entry in the cinematic open-world AAA action-adventure series. In-game benchmark used with Very High graphics settings.
Call of Duty: Black Ops 7Competitive multiplayer FPS test with DLSS and FSR. The in-game multiplayer benchmark tool is used with Ultra quality settings.
Counter-Strike 2Competitive multiplayer FPS running on Valve's Source engine. Custom multiplayer benchmark run used to test performance with Very High graphics settings.
Cyberpunk 2077Cinematic open-world test with stunning visuals and DLSS and FSR. The in-game benchmark tool is used at Ultra quality settings without ray tracing.
Cyberpunk 2077 (RT)Cinematic open-world test with stunning visuals and DLSS and FSR. The in-game benchmark tool is used with the demanding Ray Tracing Ultra quality setting.
DOOM: The Dark Ages (RT)Fast-paced single-player FPS gaming running on the id Tech 8 engine with ray-traced global illumination and Vulkan with DLSS and FSR. In-game Siege Part 1 benchmark used with Nightmare graphics setting.
F1 25 (RT)Racing game with hardware-intensive in-race ray-traced visuals and DLSS and FSR. The in-game benchmark tool is used, with Ultra High quality settings on a single lap of the Australia track.
Forza Horizon 5Detailed open-world racing game featuring dynamic weather, realistic environments, and cars. In-game benchmark used with the Extreme graphics setting.
Horizon Zero Dawn RemasteredCinematic open-world test with remastered visuals and DLSS and FSR. In-game benchmark used with the Very High quality setting.

Path Tracing Games and Settings Benchmarked

GameDetails
Cyberpunk 2077In-game benchmark tool used with the demanding RT Overdrive or full Path Tracing mode, with DLSS 4 or FSR Performance, Frame Generation, and Multi Frame Generation.
DOOM: The Dark AgesPath Tracing or Full Ray Tracing tested in this stunning first-person game, in-game 'Siege Part 1' benchmark used with DLSS 4 or FSR Performance, Frame Generation, and Multi Frame Generation.

GPUs Included in Our Testing

Offering a wide range of GPUs for comparison adds much-needed context when evaluating overall performance, efficiency, and value. Here's the full list of GPU models included in the results: INNO3D GeForce RTX 5060 8GB TWIN X2 OC, SAPPHIRE Radeon RX 9060 XT 16GB PULSE OC, MSI GeForce RTX 5060 Ti Ventus 2X 16GB, NVIDIA GeForce RTX 4070 Founders Edition, MSI GeForce RTX 4070 Ti GAMING X TRIO, NVIDIA GeForce RTX 5070 Founders Edition, GIGABYTE Radeon RX 9070 GAMING OC, ASRock Radeon RX 9070 XT Steel Legend, MSI GeForce RTX 5070 Ti Ventus 3X, NVIDIA GeForce RTX 5080 Founders Edition, NVIDIA GeForce RTX 5090 Founders Edition.

Gaming Performance Analysis

Average Gaming Performance - 1080p Results

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The PNY GeForce RTX 5080 Slim OC is not the sort of GPU built for 1080p gaming in the sense that you're more likely to run into CPU and game engine bottlenecks at this resolution versus gaming in 4K. This is why the GeForce RTX 5090 is only about 16% faster than the RTX 5080 on average for 1080p gaming. A figure that jumps up to 37.2% when you increase the resolution to 4K. Still, an average of 200+ FPS across 10 games with very high or ultra-equivalent graphics settings, even with ray tracing enabled, is impressive. And yes, even though bottlenecks are holding the GPU back from reaching its full potential at this resolution, you're still looking at performance that's, on average, 18.4% faster than the GeForce RTX 5070 Ti and 21.8% faster than the Radeon RX 9070 XT.

Average Gaming Performance - 1440p Results

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With the increasing availability and affordability of high-refresh-rate 1440p displays for PC gaming, the PNY GeForce RTX 5080 Slim OC is definitely a powerhouse for gaming at this resolution. 1440p is also a resolution where DLSS 4 and the new DLSS 4.5 deliver impressive image quality and are among the essential technologies for boosting performance without any noticeable sacrifice. In fact, in many titles, especially those with ray-tracing, DLSS delivered better-than-native results. Using the DLSS 'Quality' setting, the PNY GeForce RTX 5080 Slim OC's average 1440p gaming performance of 149 FPS jumps up to 167 FPS, a relatively minor but still impressive 12% increase that's essentially "free."

1440p is where the PNY GeForce RTX 5080 Slim OC comes alive, so to speak, delivering performance that's, on average, 19.7% faster than the GeForce RTX 5070 Ti and 23.3% faster than the Radeon RX 9070 XT. When it comes to AMD's flagship RDNA 4 offering, there is one title where the two cards perform roughly the same, and that's Call of Duty: Black Ops 7, a franchise that has always favored Radeon over GeForce. The opposite of this result is seen in Counter-Strike 2, which runs almost 60% faster on the PNY GeForce RTX 5080 Slim OC than on the Radeon RX 9070 XT.

To further highlight the RTX 5080's 1440p capabilities, PNY's OC model is also around 42.6% faster, on average, than the GeForce RTX 5070 at this resolution, a card that you could argue is practically built for 1440p gaming. Which, yeah, highlights just how well suited the card is for 4K gaming. Plus, as an OC model, the PNY GeForce RTX 5080 Slim OC is also, on average, 5% faster than the GeForce RTX 5080 Founders Edition, which is great to see.

Average Gaming Performance - 4K Results

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4K gaming is something that has been a thing for almost a decade now. Still, due to the sheer exponential increase in pixels that need to be rendered for each frame, it's a resolution that demands raw performance, VRAM capacity, and robust Neural Rendering technologies like DLSS 4 to deliver that solid and responsive 60+ and even 100+ FPS experience. Looking at the average performance across all 10 titles in our benchmark suite, the PNY GeForce RTX 5080 Slim OC's average performance of 102 FPS jumps up by 20% to 122 FPS when you enable DLSS Super Resolution with the 'Quality' setting.

As it has more pixels to work with, DLSS 4 in 4K is even more of a natural fit, with the 'Performance' preset pushing, well, performance even higher while maintaining fantastic image quality. Looking at the raw performance numbers, it's clear where the benefits lie as the PNY GeForce RTX 5080 Slim OC pulls ahead of the pack. Here it is, on average, 54.5% faster than the GeForce RTX 5070, 24.4% faster than the GeForce RTX 5070 Ti, and 29.1% faster than the Radeon RX 9070 XT. Across all current-generation cards, the only real alternative is the vastly more expensive GeForce RTX 5090, which is an impressive 37.2% faster than the PNY GeForce RTX 5080 Slim OC at 4K gaming. Still, PNY's OC model is 7% faster than the GeForce RTX 5080 Founders Edition, which means it noticeably closes this performance gap.

Again, the only title where AMD's admittedly more affordable flagship RDNA 4 GPU competes is Call of Duty: Black Ops 7; however, this is a definite exception. Especially when it comes to ray tracing, the RTX 5080 delivers performance that is anywhere between 20% and 50% faster. Again, DLSS is the game changer here, too, as Cyberpunk 2077's native 4K Ultra-quality ray-tracing performance of 36 FPS increases to 62 FPS when DLSS 4's 'Quality' preset is enabled. This includes the impressive DLSS Ray Reconstruction, ray-tracing detail, and improved image quality, along with a massive 72% increase in performance.

Benchmarks - 3DMark Synthetic Tests

3DMark offers a suite of synthetic benchmarks built to test GPUs in various scenarios. 3DMark Steel Nomad is a cutting-edge DirectX 12 benchmark that uses modern rendering techniques to push GPUs to their limits. The 'Light' version tests at 1440p, while the main Steel Nomad benchmark tests pure native 4K rendering. Port Royal is a benchmark focused exclusively on real-time ray tracing for lighting effects, including reflections, shadows, and more.

PNY GeForce RTX 5080 Slim OC Review - A Compact 4K Powerhouse 19PNY GeForce RTX 5080 Slim OC Review - A Compact 4K Powerhouse 20

As DirectX 12-based synthetic benchmarks designed to offer a somewhat realistic representation of modern gaming performance, both the Steel Nomad and Steel Nomad Light scores for the PNY GeForce RTX 5080 Slim OC show results similar to what we found in gaming. Albeit slightly inflated. Looking at the 4K-based Steel Nomad results, the PNY GeForce RTX 5080 Slim OC's score is 29% higher than the GeForce RTX 5070 Ti and 27% higher than the Radeon RX 9070 XT. It's also around 3.5% higher than the GeForce RTX 5080 Founders Edition, while maintaining a 55-65% lead over the GeForce RTX 5070 when also factoring in the 1440p-based Steel Nomad Light results.

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The 3DMark Port Royal results, which focus on real-time ray-tracing performance, tell a similar story. Here, the score is about 20% higher than the GeForce RTX 5070 Ti and 31% higher than the Radeon RX 9070 XT. However, across all synthetic benchmarks, the GeForce RTX 5090 reigns supreme, with scores 50-65% higher than those of the PNY GeForce RTX 5080 Slim OC. All in all, these tests solidify our gaming performance results and highlight just how powerful the GeForce RTX 5080 is.

Benchmarks - 1080p Gaming

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Benchmarks - 1440p Gaming

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Benchmarks - 4K Gaming

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DLSS 4, Frame Generation, and Multi Frame Generation

DLSS 4 Multi Frame Generation and the new DLSS 4.5 Dynamic Frame Generation are impressive technologies, thanks mainly to improvements in performance, image quality, and latency on the Frame Generation side, as well as in how they interact with the new 'Transformer' models for Super Resolution and Ray Reconstruction. We used the DLSS 'Quality' mode preset for these benchmarks, which delivers better-than-native image quality when compared to traditional AA methods like TAA.

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Multi Frame Generation is all about increasing motion clarity or the smoothness of a game's presentation and taking full advantage of the high-refresh-rate 1440p and 4K gaming displays on the market. Additional key technologies like NVIDIA Reflex help reduce latency, and as long as the input frame rate is at least 50-60 FPS, the result is immediately impressive. For our Frame Generation benchmarks, we chose demanding titles with ray tracing. As you can see, the 1440p results show that Multi Frame Generation with a GeForce RTX 5080, like PNY's Slim OC model, will push performance to the limit even on the fastest 1440p or QHD displays.

Increasing the resolution to 4K, and the PNY GeForce RTX 5080 Slim OC still delivers fantastic Frame Generation results. It's enough to max out the refresh rate of the MSI MAG 321UPX QD-OLED 4K 240Hz on our GPU test bench, resulting in a smoother, more detailed gaming experience with responsive controls. NVIDIA's Frame Generation continues to improve, and it's now a great (and optional) tool for enhancing motion clarity when playing cinematic single-player titles. As there is some hit to latency, it's still not something you'd really enable in a fast-paced competitive shooter. There, you'd lower the resolution to tap into the RTX 5080's power to deliver both frame rate improvements and latency reductions.

Path Tracing Performance

Path Tracing, or Full Ray Tracing, arrived with the GeForce RTX 40 Series and DLSS 3, and has advanced with the GeForce RTX 50 Series and DLSS 4. It's only possible thanks to AI technologies such as DLSS Super Resolution, Ray Reconstruction, and RTX Neural Shaders. It's designed specifically for these technologies, and we're only including native or rasterized performance to highlight just how intensive it is on a GPU as powerful as the GeForce RTX 5080. In fact, aside from the massive performance boost, these games also look notably worse without DLSS 4.

PNY GeForce RTX 5080 Slim OC Review - A Compact 4K Powerhouse 55PNY GeForce RTX 5080 Slim OC Review - A Compact 4K Powerhouse 56

Path Tracing is the future of cinematic, realistic lighting in games, but as of now, it's still only possible in 4K when paired with a high-end GPU like the GeForce RTX 5080. Looking at the path-tracing performance in Cyberpunk 2077 and DOOM: The Dark Ages, the DLSS Super Resolution 'Performance' preset and Frame Generation deliver 100+ FPS with motion clarity and smoothness, along with responsive controls. Ultimately, it's the stunning, immersive path-traced visuals that do far more than the numbers on a chart. In addition to the two titles benchmarks above, recent path-traced games like Resident Evil Requiem and Pragmata deliver similar 100+ FPS path-tracing performance on the PNY GeForce RTX 5080 Slim OC.

Temperature and Power Efficiency

PNY GeForce RTX 5080 Slim OC Review - A Compact 4K Powerhouse 59

Although it's not the coolest GeForce RTX 5080 card we've tested, hitting a GPU temperature of 64 degrees Celsius in a closed-case environment is still a pretty remarkable result for the PNY GeForce RTX 5080 Slim OC. Although the vapor chamber technology and custom dense PCB very much make this a premium RTX 5080 offering, there's no denying that playing games on a GPU that is both this powerful and this small feels great. Also, even though the GeForce RTX 5080 is a 360W GPU, NVIDIA's RTX Blackwell architecture is still impressively efficient, meaning that it won't draw 300+ watts unless a game is incredibly demanding. This works both ways, too; if you cap performance at 60 FPS or even 120 FPS, the PNY GeForce RTX 5080 Slim OC will draw significantly less power while still delivering a fantastic gaming experience.

Final Thoughts

Since its debut last year, we've had more than a few different GeForce RTX 5080 designs enter our testing lab, and it's safe to say that the PNY GeForce RTX 5080 Slim OC is one of the standouts. Borrowing inspiration from NVIDIA's compact Founders Edition design, this two-slot card runs cooler and ships with a generous little overclock to boost performance. Aesthetically, there's not much to look at. Still, its clean, minimal design will definitely appeal to those looking for a compact 4K gaming GPU that fits comfortably in virtually every case on the market.

PNY GeForce RTX 5080 Slim OC Review - A Compact 4K Powerhouse 9

Even though we're now a year or so from the initial debut of the GeForce RTX 5080, its 4K performance is still as impressive as ever. And with DLSS 4 and the new DLSS 4.5, it's a GPU built for modern cinematic single-player games, path tracing, and pushing 200+ FPS in basically every competitive shooter on the market. The only real drawback, and something that has affected the entire industry, is that GPU prices, memory shortages, and the AI boom have led to a situation where most GeForce RTX 5080s are being sold at a 30% premium over the original MSRP of $999. The PNY GeForce RTX 5080 Slim OC is no exception, but since it affects all GeForce RTX 50 Series models, the value proposition hasn't really changed for those with the means and enthusiasm to spend on a flagship PC gaming experience.

Performance

90%

Quality

93%

Features

94%

Value

85%

Overall

91%

Our Verdict

PNY's new GeForce RTX 5080 Slim OC is one of the most compact custom cards to date, with a dual-slot thickness and dual fans. And even though it's slim and lightweight, it still stays cool while delivering impressive 4K gaming performance bolstered by DLSS 4.

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Kosta is a veteran gaming journalist that cut his teeth on well-respected Aussie publications like PC PowerPlay and HYPER back when articles were printed on paper. A lifelong gamer since the 8-bit Nintendo era, it was the CD-ROM-powered 90s that cemented his love for all things games and technology. From point-and-click adventure games to RTS games with full-motion video cut-scenes and FPS titles referred to as Doom clones. Genres he still loves to this day. Kosta is also a musician, releasing dreamy electronic jams under the name Kbit.

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