NVIDIA RTX 4090 vs AMD RX 7800 XT (2026)
The NVIDIA RTX 4090 is a flagship 4K-class card and the AMD RX 7800 XT is a high-end card. Across popular games at 1440p with FrameCoach's optimized settings, the NVIDIA RTX 4090 averages about NaN FPS versus NaN FPS for the AMD RX 7800 XT — roughly 68% more performance.
Spec & performance head-to-head
| NVIDIA RTX 4090 | AMD RX 7800 XT | |
|---|---|---|
| Relative performance | 168% | 100% (baseline) |
| VRAM | 24GB | 16GB |
| Ray tracing | Yes | Yes |
| Upscaling | DLSS | FSR |
| Tier | flagship 4K-class | high-end |
| Avg FPS @ 1440p | NaN FPS | NaN FPS |
FPS in popular games @ 1440p
Estimated frame rates with optimized balanced settings, both cards on a Intel Core i9-14900K-class CPU.
| Game | NVIDIA RTX 4090 | AMD RX 7800 XT |
|---|
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For most gamers, the NVIDIA RTX 4090 is the better performer of the two — about 68% faster, which translates to a clearly smoother experience in demanding games. The NVIDIA RTX 4090 also carries more VRAM (24GB vs 16GB), which helps at higher resolutions and with high-res textures. If you're upgrading from the AMD RX 7800 XT, the NVIDIA RTX 4090 is a sensible step up.
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⚡ Tune either GPU for your exact CPU & target FPS in the optimizer →
Is the NVIDIA RTX 4090 better than the AMD RX 7800 XT?
Yes. The NVIDIA RTX 4090 is about 68% faster overall, averaging roughly NaN FPS versus NaN FPS for the AMD RX 7800 XT at 1440p with optimized settings across popular games.
How much faster is the NVIDIA RTX 4090 than the AMD RX 7800 XT?
About 68% faster on average. The exact gap varies by game and resolution — heavier, GPU-bound games show the biggest difference.
Should I upgrade from the AMD RX 7800 XT to the NVIDIA RTX 4090?
A 68% jump is a meaningful upgrade worth considering. The NVIDIA RTX 4090 also carries more VRAM (24GB vs 16GB), which helps at higher resolutions and with high-res textures.
FPS figures are estimates from a generalized model (hardware tier × game load × per-setting weights), not live benchmarks — real performance varies by scene, drivers and game version.