NVIDIA - GeForce RTX 4080 SUPER vs NVIDIA - GeForce RTX 5090
Between the GeForce RTX 4080 SUPER and GeForce RTX 5090, the GeForce RTX 4080 SUPER comes out ahead in tdp and boost clock, while the GeForce RTX 5090 wins on cuda / stream cores and ray tracing cores. Overall, the GeForce RTX 4080 SUPER scores 69.7 and the GeForce RTX 5090 scores 88.5 on our Mars Score.
Which should you buy?
The GeForce RTX 5090 is the clear pick on raw spec strength, leading by 18.8 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 and boost clock. The biggest gaps in its favor are tdp, boost clock.
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.
Both ship with comparable dlss, so those specs don't 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.
Why NVIDIA - GeForce RTX 4080 SUPER wins
- ▲TDP — 255.00 W less. 320 vs 575.
- ▲Boost clock — 5.94% more. 2550 MHz vs 2407 MHz.
Why NVIDIA - GeForce RTX 5090 wins
- ▲CUDA / Stream cores — 112.50% more. 21760 vs 10240.
- ▲Ray tracing cores — 112.50% more. 170 vs 80.
- ▲VRAM — 100.00% more. 32 GB vs 16 GB.
- ▲Memory bus — 100.00% more. 512 bit vs 256 bit.
- ▲3DMark Time Spy — 51.16% more. 32500 vs 21500.
Spec comparison
Core
| Spec | NVIDIA - GeForce RTX 4080 SUPER | NVIDIA - GeForce RTX 5090 |
|---|---|---|
| Chipset | AD103 | GB202 |
| Base clockⓘ | 2295 MHzlead | 2017 MHz |
| Boost clockⓘ | 2550 MHzlead | 2407 MHz |
| CUDA / Stream coresⓘ | 10240 | 21760lead |
| Ray tracing coresⓘ | 80 | 170lead |
Memory
| Spec | NVIDIA - GeForce RTX 4080 SUPER | NVIDIA - GeForce RTX 5090 |
|---|---|---|
| VRAMⓘ | 16 GB | 32 GBlead |
| VRAM typeⓘ | GDDR6X | GDDR7lead |
| Memory busⓘ | 256 bit | 512 bitlead |
Power & Form
| Spec | NVIDIA - GeForce RTX 4080 SUPER | NVIDIA - GeForce RTX 5090 |
|---|---|---|
| TDPⓘ | 320 Wlead | 575 W |
| Recommended PSUⓘ | 750 Wlead | 1000 W |
| Length | 304 mm | 304 mm |
| Slot size | 3-slot | 2-slot |
Benchmarks
| Spec | NVIDIA - GeForce RTX 4080 SUPER | NVIDIA - GeForce RTX 5090 |
|---|---|---|
| 3DMark Time Spyⓘ | 21500 | 32500lead |
| DLSSⓘ | true | true |
| FSRⓘ | false | false |
Frequently asked
Which has more VRAM, GeForce RTX 4080 SUPER or GeForce RTX 5090?+
GeForce RTX 5090 ships with 32GB GDDR7 vs 16GB.
Which scores higher in 3DMark Time Spy, GeForce RTX 4080 SUPER or GeForce RTX 5090?+
GeForce RTX 5090 scores 32500 vs 21500.
Which draws less power, GeForce RTX 4080 SUPER or GeForce RTX 5090?+
GeForce RTX 4080 SUPER draws 320W TDP vs 575W.
Spec-level deep dives
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