NVIDIA GeForce RTX 5080 Laptop GPU is just 10-15% slower than RTX 5090 Laptop GPU in new tests

NVIDIA's new GeForce RTX 50 series Laptop GPUs are now out in the market, with new testing pointing out that the new RTX 5080 Laptop GPU is only 10-15% slower than the RTX 5090 Laptop GPU in gaming tests... and RTX 5080 gaming laptops are 72% cheaper.

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In some new benchmarks from the folks at Notebookcheck, we get a battle against NVIDIA's new flagship GeForce RTX 5090 Laptop GPU against the RTX 5080 Laptop GPU, with some big differences in terms of specs between teh mobile GPUs, a chasm in price (72% or so), yet the RTX 5080 Laptop GPU isn't that much slower.

NVIDIA's flagship GeForce RTX 5090 Laptop GPU features 37% more CUDA cores than the RTX 5080 Laptop GPU, but both of them are limited to just 150W (175W with Dynamic Boost). Another big difference between the two laptop graphics chips is that the RTX 5090 Laptop GPU features 24GB of GDDR7 while the RTX 5080 Laptop GPU sports 16GB GDDR7.

In some gaming benchmarks, we have a 15% difference with Assassin's Creed Shadows at 1080p on High settings between the RTX 5090 Laptop GPU and RTX 5080 Laptop GPU inside of SCHENKER Neo 16 A25 gaming laptops (in engineering sample form). There is a 13% performance difference between the RTX 5090 and RTX 5080 Laptop GPUs in the same game but cranked to 4K on the Ultra High setting (and the same 13% when using the Ultra High setting + DLSS on Quality mode).

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Cyberpunk 2077 pumps out 177FPS average at 1080p on the High preset (FSR disabled) on the RTX 5090 Laptop GPU, and 167FPS on the RTX 5080 Laptop GPU -- virtually no difference there, you're not going to feel those 10FPS). Cranking Cyberpunk 2077 up to 4K on the Ultra preset (FSR disabled) the RTX 5090 Laptop GPU inside of the SCHENKER Neo 16 A25 gaming laptop sees 52.9FPS average, compared to 46.5FPS on the RTX 5080 Laptop GPU (a difference of 12%).

Notebookcheck noted: "The relatively small performance drop between the two enthusiast GPUs means it may be worth configuring laptops with the RTX 5080 instead of the RTX 5090 to save on hundreds of dollars or for better performance-per-dollar".

That's not a bad effort considering the RTX 5080 Laptop GPU is around 10-15% slower than the RTX 5090 Laptop GPU, a feat that is worth reading about as it has 27% less CUDA cores, and 33% less memory. If you are in the market for a new gaming laptop and didn't want to spend hundreds of dollars on the more expensive RTX 5090 Laptop GPU... well, the RTX 5080 Laptop GPU is shaping up to be a mobile beast.

It'll be interesting to see how the RTX 5070 TI Laptop GPU and RTX 5060 Laptop GPUs launch in more mid-range gaming laptops coming soon... not long to wait, but I'm keen to see some truly ultra-thin RTX 5060 Laptop GPU-powered gaming laptops at Computex 2025 next month.