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 6900 XT, leading by roughly 26% in our performance index. It is also the stronger value pick here, so it's the easy recommendation if your budget allows.
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Radeon RX 7900 XT vs Radeon RX 6900 XT: In-Depth Breakdown
Performance: Radeon RX 7900 XT vs Radeon RX 6900 XT
The Radeon RX 7900 XT is significantly faster, around 26% ahead of the Radeon RX 6900 XT. Both cards sit in the same broad class, well suited to 4K with upscaling and native 1440p. The Radeon RX 7900 XT packs 5,376 stream processors versus 5,120 on the Radeon RX 6900 XT.
Price & Value
Right now the Radeon RX 7900 XT starts at $633 GBP against $700 GBP for the Radeon RX 6900 XT. Because it's both faster and competitively priced, the Radeon RX 7900 XT wins on performance-per-dollar by about 39%. The Radeon RX 7900 XT is trading below its $899 GBP MSRP — a genuine deal. The Radeon RX 6900 XT is trading below its $999 GBP MSRP — a genuine deal.
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 6900 XT's 16GB can fall short. The Radeon RX 7900 XT's memory is also faster — 800 GB/s versus 512 GB/s (320-bit vs 256-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 7900 XT is roughly 2 years newer than the Radeon RX 6900 XT (RDNA 3 vs RDNA 2), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 7900 XT or Radeon RX 6900 XT?
The Radeon RX 7900 XT is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the Radeon RX 6900 XT if you find it at a steep discount.