GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On raw speed the Radeon RX 7900 GRE comes out dramatically faster — about 88% ahead of the Arc B580. But the Arc B580 is the better value, undercutting it by $2,827 for the performance you get.
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Radeon RX 7900 GRE vs Arc B580: In-Depth Breakdown
Performance: Radeon RX 7900 GRE vs Arc B580
The Radeon RX 7900 GRE is dramatically faster, around 88% ahead of the Arc B580. 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 Arc B580 is better matched to 1080p.
Price & Value
The Arc B580 currently lists from $400, $2,827 less than the Radeon RX 7900 GRE at $3,227. Despite being slower, the Arc B580 offers the better performance-per-dollar (~330% better value), so budget-focused buyers should weigh it carefully. The Arc B580 still sits about $152 above its $248 MSRP. The Radeon RX 7900 GRE still sits about $2,678 above its $549 MSRP.
Power & Efficiency
On power, the Arc B580 is the gentler choice at 190W versus 260W. The Radeon RX 7900 GRE is more efficient per watt because it's faster, but its higher 260W draw means more heat and a bigger PSU.
VRAM & Future-Proofing
The Radeon RX 7900 GRE 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 Radeon RX 7900 GRE 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 7900 GRE or Arc B580?
Choose the Radeon RX 7900 GRE 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.