GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The Radeon RX 7900 XTX is dramatically faster than the Radeon RX 7800 XT, leading by roughly 51% in our performance index. The Radeon RX 7800 XT, however, delivers more performance per dollar — $298 GBP cheaper.
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Radeon RX 7900 XTX vs Radeon RX 7800 XT: In-Depth Breakdown
Performance: Radeon RX 7900 XTX vs Radeon RX 7800 XT
The Radeon RX 7900 XTX is dramatically faster, around 51% ahead of the Radeon RX 7800 XT. That gap is enough to move it up a tier: the Radeon RX 7900 XTX is comfortable at 4K and high-refresh 1440p, while the Radeon RX 7800 XT is better matched to 1440p. The Radeon RX 7900 XTX packs 6,144 stream processors versus 3,840 on the Radeon RX 7800 XT. The Radeon RX 7900 XTX also has more RT cores (96 vs 60) and more AI cores (192 vs 120), strengthening its ray-tracing and AI-upscaling performance.
Price & Value
Right now the Radeon RX 7800 XT starts at $552 GBP against $850 GBP for the Radeon RX 7900 XTX. Despite being slower, the Radeon RX 7800 XT offers the better performance-per-dollar, so budget-focused buyers should weigh it carefully. The Radeon RX 7900 XTX is trading below its $999 GBP MSRP — a genuine deal.
Power & Efficiency
The Radeon RX 7800 XT pulls less power (263W vs 355W), so it's the easier card to cool and the lighter load on your PSU. The faster Radeon RX 7900 XTX draws more overall but extracts more performance from each watt — plan for a sturdier power supply if you pick it.
VRAM & Future-Proofing
With 24GB against 16GB, the Radeon RX 7900 XTX 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 XTX's memory is also faster — 960 GB/s versus 624 GB/s (384-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 XTX?
Choose the Radeon RX 7900 XTX if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 7800 XT stretches your money further for only slightly lower performance.