GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On raw speed the Radeon RX 7900 XT comes out significantly faster — about 35% ahead of the Radeon RX 6800 XT. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon RX 7900 XT vs Radeon RX 6800 XT: In-Depth Breakdown
Performance: Radeon RX 7900 XT vs Radeon RX 6800 XT
The Radeon RX 7900 XT is significantly faster, around 35% ahead of the Radeon RX 6800 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 6800 XT is better matched to 1440p. The Radeon RX 7900 XT packs 5,376 stream processors versus 4,608 on the Radeon RX 6800 XT.
Price & Value
The Radeon RX 7900 XT currently lists from $633 GBP, $203 GBP less than the Radeon RX 6800 XT at $836 GBP. Because it's both faster and competitively priced, the Radeon RX 7900 XT wins on performance-per-dollar by about 78%. The Radeon RX 7900 XT is trading below its $899 GBP MSRP — a genuine deal. The Radeon RX 6800 XT still sits about $187 GBP above its $649 GBP MSRP.
VRAM & Future-Proofing
The Radeon RX 7900 XT carries 20GB versus 16GB on the Radeon RX 6800 XT. The extra 4GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers. 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 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 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 6800 XT if you find it at a steep discount.