GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The Radeon RX 7900 XT is significantly faster than the Radeon RX 7800 XT, leading by roughly 32% in our performance index.
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Radeon RX 7900 XT vs Radeon RX 7800 XT: In-Depth Breakdown
Performance: Radeon RX 7900 XT vs Radeon RX 7800 XT
The Radeon RX 7900 XT is significantly faster, around 32% ahead of the Radeon RX 7800 XT. That gap is enough to move it up a tier: the Radeon RX 7900 XT is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 7800 XT is better matched to 1440p. The Radeon RX 7900 XT packs 5,376 stream processors versus 3,840 on the Radeon RX 7800 XT. The Radeon RX 7900 XT also has more RT cores (84 vs 60) and more AI cores (168 vs 120), strengthening its ray-tracing and AI-upscaling performance.
Power & Efficiency
The Radeon RX 7800 XT pulls less power (263W vs 300W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX 7900 XT draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it.
VRAM & Future-Proofing
With 20GB against 16GB, the Radeon RX 7900 XT has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 7800 XT's 16GB can fall short. The Radeon RX 7900 XT's memory is also faster — 800 GB/s versus 624 GB/s (320-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Which should you buy: Radeon RX 7800 XT or Radeon RX 7900 XT?
The Radeon RX 7900 XT is the faster card by about 32%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.