GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The Radeon RX 7900 GRE is marginally faster than the Radeon RX 6900 XT, leading by roughly 5% in our performance index. The Radeon RX 6900 XT, however, delivers more performance per dollar — $546 GBP cheaper.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon RX 7900 GRE vs Radeon RX 6900 XT: In-Depth Breakdown
Performance: Radeon RX 7900 GRE vs Radeon RX 6900 XT
The Radeon RX 7900 GRE is marginally faster, around 5% ahead of the Radeon RX 6900 XT. Both cards sit in the same broad class, well suited to 4K with upscaling and native 1440p.
Price & Value
Right now the Radeon RX 6900 XT starts at $700 GBP against $1,246 GBP for the Radeon RX 7900 GRE. Despite being slower, the Radeon RX 6900 XT offers the better performance-per-dollar (~70% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 6900 XT is trading below its $999 GBP MSRP — a genuine deal. The Radeon RX 7900 GRE still sits about $697 GBP above its $549 GBP MSRP.
Power & Efficiency
The Radeon RX 7900 GRE draws just 260W versus 300W for the Radeon RX 6900 XT, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom. Its more modern RDNA 3 architecture on a TSMC N5 process is part of why it does more with each watt.
Memory & Bandwidth
The Radeon RX 7900 GRE's memory is faster — 576 GB/s versus 512 GB/s — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 7900 GRE is roughly 4 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 6900 XT or Radeon RX 7900 GRE?
Choose the Radeon RX 7900 GRE if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6900 XT stretches your money further for only slightly lower performance.