NVIDIA GeForce RTX 4090 vs AMD Radeon RX 7900 XTX
Spec wins
| Spec | NVIDIA GeForce RTX 4090 | AMD Radeon RX 7900 XTX |
|---|---|---|
| Overview | ||
| Manufacturer | NVIDIA | AMD |
| Architecture | Ada Lovelace | RDNA 3 |
| Tier | flagship | enthusiast |
| Memory | ||
| VRAM | 24 GB | 24 GB |
| Compute | ||
| FP16 TFLOPS | 82.6 | 122.8 |
| FP32 TFLOPS | 82.6 | 61.4 |
| TDP | 450 W | 355 W |
| AI | ||
| Runs 70B (quantized) | ✕ no | ✕ no |
| AI value | 4.0/5 | 3.7/5 |
| Verdict | ||
| Price | — | — |
| $ / FP16 TFLOP | — | — |
▸ VERDICT
The 7900 XTX matches VRAM and wins on gaming value, but CUDA still dominates AI tooling, so the 4090 is the safer AI pick.