AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 4090
Head-to-head specifications
| Metric | AMD Radeon RX 7900 XT | NVIDIA GeForce RTX 4090 | Difference |
|---|---|---|---|
| Avg FPS @ 1080p | 164 | 190 | -13.7% |
| Avg FPS @ 1440p | 138 | 165 | -16.4% |
| Avg FPS @ 4K | 86 | 110 | -21.8% |
| VRAM (GB) | 20 | 24 | — |
| TDP (W) | 315 | 450 | — |
- NVIDIA GeForce RTX 4090 delivers about 16% more frames at 1440p; the gap narrows at 4K where memory bandwidth matters more.
Verdict: Radeon RX 7900 XT or GeForce RTX 4090?
AMD Radeon RX 7900 XT advantages
- Power efficiency (+30%)
NVIDIA GeForce RTX 4090 advantages
- 1440p gaming (+16%)
- 4K gaming (+22%)
- 1080p gaming (+14%)
- Video memory (+17%)
Which should you choose?
- Choose the AMD Radeon RX 7900 XT if you want lower power draw, heat and noise.
- Choose the NVIDIA GeForce RTX 4090 if you game at 1440p.
AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 4090: which should you choose?
AMD Radeon RX 7900 XT — AMD graphics card with 20GB VRAM, delivering about 164 fps at 1080p, 138 fps at 1440p and 86 fps at 4K on our normalized game index.
NVIDIA GeForce RTX 4090 — NVIDIA graphics card with 24GB VRAM, delivering about 190 fps at 1080p, 165 fps at 1440p and 110 fps at 4K on our normalized game index.
AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 4090: NVIDIA GeForce RTX 4090 is faster at 1440p. NVIDIA GeForce RTX 4090 delivers about 16% more frames at 1440p; the gap narrows at 4K where memory bandwidth matters more.
1080p, 1440p and 4K
At 1440p — the most common enthusiast resolution — the NVIDIA GeForce RTX 4090 averages 165 fps against 138. The gap shifts at 4K (86 vs 110 fps), where VRAM (20GB vs 24GB) and memory bandwidth matter more.
Power and value
Board power is 315 W versus 450 W, which affects your PSU headroom, case cooling and noise. Weigh the frame-rate lead against price and power draw for your target resolution.
The verdict
Both are credible choices in the graphics card comparison space; the specification table above lays out every metric so you can weigh the trade-offs that matter to you. Pick the one whose strengths line up with how you will actually use it.
Frequently asked questions
Is the AMD Radeon RX 7900 XT better than the NVIDIA GeForce RTX 4090?
NVIDIA GeForce RTX 4090 is the clearly stronger overall choice, winning most of the dimensions that matter. NVIDIA GeForce RTX 4090 delivers about 16% more frames at 1440p; the gap narrows at 4K where memory bandwidth matters more.
What is the main difference between the AMD Radeon RX 7900 XT and the NVIDIA GeForce RTX 4090?
NVIDIA GeForce RTX 4090 delivers about 16% more frames at 1440p; the gap narrows at 4K where memory bandwidth matters more.
Which should I choose?
Choose the AMD Radeon RX 7900 XT if you want lower power draw, heat and noise. Choose the NVIDIA GeForce RTX 4090 if you game at 1440p.
Methodology
Graphics cards are scored on a normalized game index measuring average frame rates at 1080p, 1440p and 4K across a representative title set, alongside VRAM capacity and TDP. Scores are relative and intended for comparison.