GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The Radeon RX 6700 XT is noticeably faster than the Arc B580, leading by roughly 8% in our performance index.
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Radeon RX 6700 XT vs Arc B580: In-Depth Breakdown
Performance: Radeon RX 6700 XT vs Arc B580
The Radeon RX 6700 XT is noticeably faster, around 8% ahead of the Arc B580. That gap is enough to move it up a tier: the Radeon RX 6700 XT is comfortable at 1440p, while the Arc B580 is better matched to 1080p.
Power & Efficiency
The Arc B580 draws just 190W versus 230W for the Radeon RX 6700 XT, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom. Its more modern Battlemage architecture on a TSMC N5 process is part of why it does more with each watt.
Generation & Longevity
The Arc B580 is roughly 3 years newer than the Radeon RX 6700 XT (Battlemage vs RDNA 2), so it generally benefits from a more modern architecture and longer driver-support runway.
Features & Ecosystem
Beyond raw numbers, the Radeon RX 6700 XT brings AMD FSR upscaling and strong rasterization value, while the Arc B580 offers Intel XeSS upscaling and AV1 encoding. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: Radeon RX 6700 XT or Arc B580?
The Radeon RX 6700 XT is the faster card by about 8%. 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.