GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On raw speed the Radeon RX 9070 XT comes out dramatically faster — about 154% ahead of the Arc B580. But the Arc B580 is the better value, undercutting it by $700 for the performance you get.
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Radeon RX 9070 XT vs Arc B580: In-Depth Breakdown
Performance: Radeon RX 9070 XT vs Arc B580
The Radeon RX 9070 XT is dramatically faster, around 154% ahead of the Arc B580. That gap is enough to move it up a tier: the Radeon RX 9070 XT is comfortable at 4K and high-refresh 1440p, while the Arc B580 is better matched to 1080p.
Price & Value
The Arc B580 currently lists from $400, $700 less than the Radeon RX 9070 XT at $1,100. Despite being slower, the Arc B580 offers the better performance-per-dollar (~8% better value), so budget-focused buyers should weigh it carefully. The Arc B580 still sits about $152 above its $248 MSRP. The Radeon RX 9070 XT still sits about $501 above its $599 MSRP.
Power & Efficiency
On power, the Arc B580 is the gentler choice at 190W versus 304W. The Radeon RX 9070 XT is more efficient per watt because it's faster, but its higher 304W draw means more heat and a bigger PSU.
VRAM & Future-Proofing
The Radeon RX 9070 XT carries 16GB versus 12GB on the Arc B580. The extra 4GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.
Features & Ecosystem
Beyond raw numbers, the Arc B580 brings Intel XeSS upscaling and AV1 encoding, while the Radeon RX 9070 XT offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: Arc B580 or Radeon RX 9070 XT?
Choose the Radeon RX 9070 XT if you want the most performance and can absorb the higher price. If you're optimizing for value, the Arc B580 stretches your money further for only slightly lower performance.