NVIDIA GeForce RTX 4090 vs AMD Radeon RX 7800 XT
Head-to-head comparison: specs, benchmarks, ray tracing, and value. Which is right for your build?
NVIDIA GeForce RTX 4090
Still a beast in 2026. The RTX 4090 remains a genuine 4K monster, especially with DLSS 3 frame generation. It misses out on DLSS 4's multi-frame gen exclusive features, but raw rasterization is still elite. With prices fluctuating since the 5090 launch, it can occasionally be found at attractive discounts.
Buy on Amazon →AMD Radeon RX 7800 XT
Long the 1440p value king. 16GB of VRAM, strong rasterization, and prices have dropped further with the RX 9000 launch. Ray tracing is its main weakness.
Buy on Amazon →Spec Comparison
| Spec | NVIDIA GeForce RTX 4090 | AMD Radeon RX 7800 XT |
|---|---|---|
| Price (MSRP) | $1,599 | $499 |
| VRAM | 24GB GDDR6X | 16GB GDDR6 |
| Memory Bus | 384-bit | 256-bit |
| Memory Bandwidth | 1008 GB/s | 624 GB/s |
| CUDA / Stream Cores | 16,384 | 3,840 |
| Boost Clock | 2520 MHz | 2430 MHz |
| Ray Tracing Cores | 128 | 60 |
| TDP | 450W | 263W |
| 3DMark Time Spy | 35,200 | 17,200 |
| Rasterization Score | 88/100 | 48/100 |
| Ray Tracing Score | 86/100 | 36/100 |
| Value Score | 70/100 | 84/100 |
The Verdict
Based on raw performance, ray tracing capability, and value, the NVIDIA GeForce RTX 4090 comes out ahead in this comparison. That said, the right pick depends on your budget, target resolution, and whether you care more about ray tracing, rasterization, or VRAM capacity. Both cards have their place — read the individual reviews for the full breakdown.