NVIDIA - GeForce RTX 4080 SUPER vs NVIDIA - GeForce RTX 5090

The GeForce RTX 5090 is the clear pick on raw spec strength, leading by 14.5 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.

Pick the GeForce RTX 4080 SUPER if you care most about tdp / boost clock. The biggest gaps in its favor are tdp, boost clock. The single most decisive one: TDP — 255.00 W less. 320 vs 575.

Pick the GeForce RTX 5090 if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are cuda / stream cores, ray tracing cores, vram, among others. The single most decisive one: CUDA / Stream cores — 112.50% more. 21760 vs 10240.

Both ship with comparable dlss, so those specs do not separate the two — focus on the differences below.

Bottom line: the GeForce RTX 5090 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.