NVIDIA GeForce RTX 3080 specs: 10GB GDDR6X, 2.1GHz max GPU clock

NVIDIA GeForce RTX 3080 specs start to arrive: maximum 2.1GHz GPU, 10GB of next-gen GDDR6X memory at 19Gbps, coming soon.

@anthony256
Published Sun, Aug 16 2020 10:40 PM CDT

Alright, switching gears between the flagship NVIDIA GeForce RTX 3090 graphics card and its tease of 24GB of GDDR6X memory that Micron has clocked at a ridiculous 21Gbps -- we have the GeForce RTX 3080 with some juicy specs.

NVIDIA GeForce RTX 3080 specs: 10GB GDDR6X, 2.1GHz max GPU clock 777 | TweakTown.com
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According to a new Device ID listing confirmed by leaker _rogame on Twitter, we have some preliminary specs on NVIDIA's next-gen Ampere-based GeForce RTX 3080. The new GeForce RTX 3080 will have its GPU clocks at a limit of 2.1GHz -- which is identical to the Turing GPUs which have a 2.1GHz GPU clock ceiling for the most part.

NVIDIA's new GeForce RTX 3080 should have 10GB of GDDR6X which according to these leaked specs, will be clocked at 19Gbps. Micron is making the memory for this batch of Ampere-based GeForce RTX 3000 series graphics cards with Micron providing NVIDIA with some blistering fast 21Gbps chips for its flagship GeForce RTX 3090 (which I really, badly want to be called the RTX 3090 ULTRA or RTX 3090 ULTIMATE).

NVIDIA GeForce RTX 3080 specs: 10GB GDDR6X, 2.1GHz max GPU clock 888 | TweakTown.com

The 10GB of GDDR6X is used on a 320-bit memory interface, should offer gamers 760GB/sec of memory bandwidth. This is a gigantic leap over what NVIDIA offered with the 8GB of GDDR6 on the GeForce RTX 2080 SUPER -- a massive 53% increase in memory bandwidth with 760GB/sec on the RTX 3080 versus 496GB/sec on the RTX 2080 SUPER.

Our friends at Wccftech have a great graph that shows us all of the differences in memory used, memory clocks, the memory bus, and memory bandwidth between all of NVIDIA's next-gen RTX 30 series Ampere graphics cards. There's a lot of options here, and I think we might be surprised with how high NVIDIA pushes things this time around compared to Pascal and Turing.

GeForce RTX 3080 specs (so far):

  • Ampere GA102 GPU: What we know so far is that the GeForce RTX 3080 will use the GA102 GPU, or more specifically the GA102-200-KD-A1 SKU. This packs 4353 CUDA cores, the same amount as the GPU inside of the RTX 2080 Ti.
  • 10GB of GDDR6X @ 19Gbps: The GeForce RTX 3080 will have 10GB of next-gen GDDR6X memory from Micron, clocked at a large 19Gbps on a 320-bit with up to 760GB/sec of memory bandwidth. This is 53% higher than the 496GB/sec memory bandwidth on the GeForce RTX 2080 SUPER.
NVIDIA GeForce RTX 3080 specs: 10GB GDDR6X, 2.1GHz max GPU clock 22 | TweakTown.com

The very latest: RTX 3090 PCB + GDDR6X @ 21Gbps

  • The PCB of the RTX 3090: A juicy leak of the purported PCB of a custom variant of the GeForce RTX 3090 leaked out a few days ago. It is reportedly the COLORFUL iGame GeForce RTX 3090 Vulcan-X. You can see this model has 3 x 8-pin PCIe power connectors, unlike the RTX 3090 Founders Edition that should pack just a single 12-pin PCIe power connector.
  • Micron reveals RTX 3090 name, 24GB GDDR6X memory @ 21Gbps: I'm sure this is part of the marketing or else all of us tech media websites would be receiving calls from lawyers, but Micron revealed its next-gen GDDR6X memory that the GeForce RTX 3090 (it admits the card by name) will be clocked at a bonkers-high 21Gbps.
NVIDIA GeForce RTX 3080 specs: 10GB GDDR6X, 2.1GHz max GPU clock 24 | TweakTown.comNVIDIA GeForce RTX 3080 specs: 10GB GDDR6X, 2.1GHz max GPU clock 25 | TweakTown.com

Wait, a 12-pin PCIe power connector?

More reading:

NVIDIA GeForce RTX 3080 specs: 10GB GDDR6X, 2.1GHz max GPU clock 444 | TweakTown.com
  • Traversal coprocessor: We have had more leaks on NVIDIA's next-gen GeForce RTX 3000 series than any family of graphics cards before it, with an interesting "traversal coprocessor" on the new GeForce RTX 3080 and GeForce RTX 3090 graphics cards. You can read more on that here.
  • NVCache: Ampere is meant to have something called NVCache, which would be NVIDIA's own form of AMD's HBCC (High Bandwidth Cache Controller, more on that here). NVCache would use your system RAM and SSD to super-speed game load times, as well as optimizing VRAM usage. You can read more on NVCache here.
  • Tensor Memory Compression: NVCache is interesting, but Tensor Memory Compression will be on Ampere, and will reportedly use Tensor Cores to both compress and decompress items that are stored in VRAM. This could see a 20-40% reduction in VRAM usage, or more VRAM usage with higher textures in next-gen games and Tensor Memory Compression decreasing that VRAM footprint by 20-40%.
  • How fast is the GeForce RTX 3090? Freaking fast according to rumors, with 60-90% more performance than the current Turing-based flagship GeForce RTX 2080 Ti. We could see this huge performance leap in ray tracing titles, but we'll have to wait a little while longer to see how much graphical power NVIDIA crams into these new cards. You can read more on those rumors here.
  • Power hungry: As for power consumption, GA102 reportedly uses 230W -- while 24GB of GDDR6X (which we should see on the new Ampere-based TITAN RTX) consumes 60W of power. You can read more on that here.
  • Production begins soon: NVIDIA is reportedly in the DVT (or Design Validation Test) range of its new GeForce RTX 3000 series graphics cards. Mass production reportedly kicks off in August 2020, with a media event, benchmarks, and more in September 2020 as I predicted many months ago. More on that here.
NVIDIA GeForce RTX 3080 specs: 10GB GDDR6X, 2.1GHz max GPU clock 555 | TweakTown.com

I've already written about rumors that NVIDIA's next-gen Ampere GPU architecture would be up to 75% faster than current-gen GPUs such as the Turing architecture, right after rumors that Ampere would offer 50% more performance at half the power of Turing. This is pretty crazy stuff right there.

Not only that, but we've got some rumored specs on the purported GeForce RTX 3080 and GeForce RTX 3070 graphics cards, which will both be powered by NVIDIA's new Ampere GPU architecture.

We've already heard that Ampere would offer 50% more performance at half the power of Turing, which sent the hairs on my neck standing up. Better yet, you can read about the leaked specs on the purported Ampere-based GeForce RTX 3080 and GeForce RTX 3070 right here.

NVIDIA GeForce RTX 3080 specs: 10GB GDDR6X, 2.1GHz max GPU clock 666 | TweakTown.com

Even more reading:

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Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering.

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