Arc B580 vs RTX 5070
Arc B580
$369.99 new
$309.99 used on eBay
See Arc B580 price on Amazon → See used listings on eBay →RTX 5070
$635.99 new
$549.99 used on eBay
See RTX 5070 price on Amazon → See used listings on eBay →Price difference: $266.00 (41.8%) — the Arc B580 is cheaper. Used gap: $240.00 .
Specs compared
| Spec | Arc B580 | RTX 5070 |
|---|---|---|
| Memory | 12 GB | 12 GB |
| Memory type | GDDR6 | GDDR7 |
| Boost clock | ★ 2760 MHz | 2600 MHz |
| Core clock | — | — |
| TDP | — | — |
| Interface | — | PCIe 5.0 |
| Length | — | — |
| New price | $369.99 ★ | $635.99 |
| Used price (eBay) | $309.99 | $549.99 |
★ indicates the better value for that spec.
Verdict
With the RTX 5070 running 42% above the Arc B580 — a $266.00 premium — the two cards sit in meaningfully different price brackets. The Arc B580 wins on value unless the extra performance matters for your workload.
Unless you specifically need what the RTX 5070 offers, the Arc B580 is the stronger value at this price gap.
Where to buy
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Prices as of August 1, 2026. Updated daily.