NVIDIA - GeForce RTX 4080 SUPER vs NVIDIA - GeForce RTX 4090
Between the GeForce RTX 4080 SUPER and GeForce RTX 4090, the GeForce RTX 4080 SUPER comes out ahead in tdp and boost clock, while the GeForce RTX 4090 wins on cuda / stream cores and ray tracing cores. Overall, the GeForce RTX 4080 SUPER scores 69.7 and the GeForce RTX 4090 scores 80.3 on our Mars Score.
Which should you buy?
The GeForce RTX 4090 is the clear pick on raw spec strength, leading by 10.6 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 4090 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 4090 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 — 130.00 W less. 320 vs 450.
- ▲Boost clock — 1.19% more. 2550 MHz vs 2520 MHz.
Why NVIDIA - GeForce RTX 4090 wins
- ▲CUDA / Stream cores — 60.00% more. 16384 vs 10240.
- ▲Ray tracing cores — 60.00% more. 128 vs 80.
- ▲VRAM — 50.00% more. 24 GB vs 16 GB.
- ▲Memory bus — 50.00% more. 384 bit vs 256 bit.
- ▲3DMark Time Spy — 30.23% more. 28000 vs 21500.
Spec comparison
Core
| Spec | NVIDIA - GeForce RTX 4080 SUPER | NVIDIA - GeForce RTX 4090 |
|---|---|---|
| Chipset | AD103 | AD102 |
| Base clockⓘ | 2295 MHzlead | 2235 MHz |
| Boost clockⓘ | 2550 MHzlead | 2520 MHz |
| CUDA / Stream coresⓘ | 10240 | 16384lead |
| Ray tracing coresⓘ | 80 | 128lead |
Memory
| Spec | NVIDIA - GeForce RTX 4080 SUPER | NVIDIA - GeForce RTX 4090 |
|---|---|---|
| VRAMⓘ | 16 GB | 24 GBlead |
| VRAM typeⓘ | GDDR6X | GDDR6X |
| Memory busⓘ | 256 bit | 384 bitlead |
Power & Form
| Spec | NVIDIA - GeForce RTX 4080 SUPER | NVIDIA - GeForce RTX 4090 |
|---|---|---|
| TDPⓘ | 320 Wlead | 450 W |
| Recommended PSUⓘ | 750 Wlead | 850 W |
| Length | 304 mm | 304 mm |
| Slot size | 3-slot | 3-slot |
Benchmarks
| Spec | NVIDIA - GeForce RTX 4080 SUPER | NVIDIA - GeForce RTX 4090 |
|---|---|---|
| 3DMark Time Spyⓘ | 21500 | 28000lead |
| DLSSⓘ | true | true |
| FSRⓘ | false | false |
Frequently asked
Which has more VRAM, GeForce RTX 4080 SUPER or GeForce RTX 4090?+
GeForce RTX 4090 ships with 24GB GDDR6X vs 16GB.
Which scores higher in 3DMark Time Spy, GeForce RTX 4080 SUPER or GeForce RTX 4090?+
GeForce RTX 4090 scores 28000 vs 21500.
Which draws less power, GeForce RTX 4080 SUPER or GeForce RTX 4090?+
GeForce RTX 4080 SUPER draws 320W TDP vs 450W.
Spec-level deep dives
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