GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The GeForce RTX 5090 is dramatically faster than the GeForce RTX 5080, leading by roughly 47% in our performance index.
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GeForce RTX 5090 vs GeForce RTX 5080: In-Depth Breakdown
Performance: GeForce RTX 5090 vs GeForce RTX 5080
The GeForce RTX 5090 is dramatically faster, around 47% ahead of the GeForce RTX 5080. Both cards sit in the same broad class, well suited to 4K and high-refresh 1440p. The GeForce RTX 5090 packs 21,760 CUDA cores versus 10,752 on the GeForce RTX 5080. The GeForce RTX 5090 also has more RT cores (170 vs 84) and more AI cores (680 vs 336), strengthening its ray-tracing and AI-upscaling performance.
Power & Efficiency
The GeForce RTX 5080 draws just 360W versus 575W for the GeForce RTX 5090, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom.
VRAM & Future-Proofing
With 32GB against 16GB, the GeForce RTX 5090 has more headroom for 4K textures and memory-hungry creative/AI tasks where the GeForce RTX 5080's 16GB can fall short. The GeForce RTX 5090's memory is also faster — 1,792 GB/s versus 960 GB/s (512-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: GeForce RTX 5090 or GeForce RTX 5080?
The GeForce RTX 5090 is the faster card by about 47%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.