RX 9060 XT vs Arc B580: Which Should You Buy?
Head-to-head on performance, VRAM, power and value for 2026.
Quick Summary · TL;DR
On our relative performance index the RX 9060 XT leads the Arc B580 by about 25% — a large gap. The RX 9060 XT has more VRAM (16GB vs 12GB), which helps at high resolutions and in VRAM-hungry titles.
| RX 9060 XT | Arc B580 | |
|---|---|---|
| Performance index | 50/100 | 40/100 |
| VRAM | 16GB | 12GB |
| Board power (TBP) | 182W | 190W |
| Recommended PSU | 550W | 600W |
| Power connector | 8-pin PCIe | 8-pin PCIe |
| Generation | RX 9000 | Arc B |
Relative gaming index — an estimate of typical performance. Real-world gaps vary by game, resolution and settings.
Which should you buy?
Buy the RX 9060 XT if you want the higher frame rate and can find it at a fair price. Choose the Arc B580 if it is clearly cheaper and its 12GB+ of VRAM and features cover your target resolution. Both are from a similar lineage, so price is the main deciding factor.
Power planning: RX 9060 XT PSU · Arc B580 PSU.
Frequently asked questions
Is the RX 9060 XT better than the Arc B580?
On our relative index the RX 9060 XT is about 25% ahead of the Arc B580. The RX 9060 XT has more VRAM (16GB vs 12GB), which helps at high resolutions and in VRAM-hungry titles. The smaller the gap, the more other factors like price, VRAM and features should decide it.
Which is better value, the RX 9060 XT or the Arc B580?
Value depends on the price you can find each at. The slower card is usually the smart buy if it is meaningfully cheaper, unless you need the extra VRAM or features of the faster one.
Do the RX 9060 XT and Arc B580 need different power supplies?
The RX 9060 XT is rated around a 550W PSU and the Arc B580 around 600W. Size for the more demanding card if you might upgrade, and prefer an ATX 3.x unit for any 12V-2x6 card.
Make sure your CPU can keep up with either card using the Bottleneck Estimator, or compare more cards in the GPU comparison hub.