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.
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.
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 faster card by about 35%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.