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 8% in our performance index.
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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 8% ahead of the Radeon RX 6900 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 6900 XT is better matched to 1440p.
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?
The Radeon RX 7900 GRE is the faster card. 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.