RTX 5070 vs RX 8800 XT: Real-World Performance and Thermals
The mid-range GPU battle is fiercer than ever. NVIDIA's RTX 5070 and AMD's RX 8800 XT are priced within $50 of each other, but their approach to performance, efficiency, and features couldn't be more different.
We ran both cards through our standardized test suite across 20 games and 5 productivity workloads. The results are more nuanced than the spec sheets suggest.
Gaming Performance at 1440p
At 1440p — the sweet spot for both cards — the RTX 5070 leads by an average of 8% in rasterization. However, AMD claws back most of that gap with their improved FSR 4 upscaling, which has closed the quality gap with DLSS 4 significantly.
In titles with heavy ray tracing like Cyberpunk 2077 and Alan Wake 2, NVIDIA maintains a more comfortable 15-20% advantage. AMD's ray tracing hardware has improved but still trails behind.
- RTX 5070: 94 fps avg (1440p Ultra, 20 game average)
- RX 8800 XT: 87 fps avg (1440p Ultra, 20 game average)
- Ray tracing: RTX 5070 leads by 15-20%
- FSR 4 vs DLSS 4: near-parity in most titles
Power Efficiency and Thermals
This is where the story gets interesting. The RX 8800 XT draws 30W less under full load while delivering comparable performance. In a small form factor build, that matters enormously for thermal headroom and noise.
The RTX 5070 runs hotter at stock — 78°C vs 72°C in our open bench tests — but NVIDIA's improved power delivery means overclocking headroom is actually better on the 5070.
Which Should You Buy?
For most gamers at 1440p, the RX 8800 XT offers better value with lower power consumption and competitive performance. If ray tracing is important to you, or you rely on CUDA for creative work, the RTX 5070 justifies its premium.