GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On raw speed the Radeon RX 7900 GRE comes out noticeably faster — about 13% ahead of the Radeon RX 6800 XT. But the Radeon RX 6800 XT is the better value, undercutting it by $410 GBP for the performance you get.
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Radeon RX 7900 GRE vs Radeon RX 6800 XT: In-Depth Breakdown
Performance: Radeon RX 7900 GRE vs Radeon RX 6800 XT
The Radeon RX 7900 GRE is noticeably faster, around 13% ahead of the Radeon RX 6800 XT. That gap is enough to move it up a tier: the Radeon RX 7900 GRE is comfortable at 4K with upscaling and native 1440p, while the Radeon RX 6800 XT is better matched to 1440p. The Radeon RX 7900 GRE packs 5,120 stream processors versus 4,608 on the Radeon RX 6800 XT.
Price & Value
The Radeon RX 6800 XT currently lists from $836 GBP, $410 GBP less than the Radeon RX 7900 GRE at $1,246 GBP. Despite being slower, the Radeon RX 6800 XT offers the better performance-per-dollar (~33% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 6800 XT still sits about $187 GBP above its $649 GBP MSRP. The Radeon RX 7900 GRE still sits about $697 GBP above its $549 GBP MSRP.
Power & Efficiency
At 260W against 300W, the Radeon RX 7900 GRE is both the lower-power and the more efficient card, making it the easier build to cool and power. 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 6800 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 6800 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 6800 XT stretches your money further for only slightly lower performance.