GeForce RTX 4090 vs GeForce RTX 3080
GeForce RTX 4090
2022 · $1,650 today
8867
GeForce RTX 3080
2020 · $350 today
8855
Dashed outline = score at launch
Why GeForce RTX 4090 is better
- VRAM: 24 GB GDDR6X vs 10 GB GDDR6X(2.4× more)
- CUDA cores: 16,384 vs 8,704(1.9× more)
- Memory bandwidth: 1,008 GB/s vs 760 GB/s(33% more)
Why GeForce RTX 3080 is better
- TDP: 320 W vs 450 W(41% less)
Verdict
GeForce RTX 4090 leads outright in 5 of 6 dimensions today.
Spec by spec
| Spec | GeForce RTX 4090 | GeForce RTX 3080 |
|---|---|---|
| Silicon | ||
| Architecture | Ada Lovelace (AD102) | Ampere (GA102) |
| CUDA cores | 16,384● | 8,704 |
| VRAM | 24 GB GDDR6X● | 10 GB GDDR6X |
| Memory bandwidth | 1,008 GB/s● | 760 GB/s |
| Power & output | ||
| TDP | 450 W | 320 W● |
| 4K capability | 120+ fps with DLSS 3 | 60+ fps (2020 titles) |
| DLSS | DLSS 3 frame generation | DLSS 2 |
| Connectors | HDMI 2.1, 3× DP 1.4a | HDMI 2.1, 3× DP 1.4a |