RX 6600 vs Arc B570
Price difference: $305.01 (51.3%) — the Arc B570 is cheaper.
Specs compared
| Spec | RX 6600 | Arc B570 |
|---|---|---|
| Memory | 8 GB | ★ 10 GB |
| Memory type | GDDR6 | GDDR6 |
| Boost clock | 2491 MHz | ★ 2600 MHz |
| Core clock | — | — |
| TDP | 132 W | — |
| Interface | PCIe 4.0 | — |
| Length | — | — |
| New price | $595.00 | $289.99 ★ |
| Used price (eBay) | $224.97 | — |
★ indicates the better value for that spec.
Verdict
With the RX 6600 running 51% above the Arc B570 — a $305.01 premium — the two cards sit in meaningfully different price brackets. The Arc B570 wins on value unless the extra performance matters for your workload.
Budget-conscious buyers have an extra option: the RX 6600 can be found used on eBay around $224.97, roughly $370.03 below its new street price. If you're comfortable buying used, that saving could shift the value equation between these two cards.
Unless you specifically need what the RX 6600 offers, the Arc B570 is the stronger value at this price gap.
Where to buy
Arc B570
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Full card details
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Prices as of October 16, 2026. Updated daily.