Arc B580 vs RTX 4070 Super
Arc B580
$369.99 new
$309.99 used on eBay
See Arc B580 price on Amazon → See used listings on eBay →RTX 4070 Super
$859.00 new
$539.99 used on eBay
See RTX 4070 Super price on Amazon → See used listings on eBay →Price difference: $489.01 (56.9%) — the Arc B580 is cheaper. Used gap: $230.00 .
Specs compared
| Spec | Arc B580 | RTX 4070 Super |
|---|---|---|
| Memory | 12 GB | 12 GB |
| Memory type | GDDR6 | GDDR6X |
| Boost clock | 2760 MHz | — |
| Core clock | — | — |
| TDP | — | — |
| Interface | — | PCIe 4.0 |
| Length | — | — |
| New price | $369.99 ★ | $859.00 |
| Used price (eBay) | $309.99 | $539.99 |
★ indicates the better value for that spec.
Verdict
With the RTX 4070 Super running 57% above the Arc B580 — a $489.01 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 4070 Super offers, the Arc B580 is the stronger value at this price gap.
Where to buy
RTX 4070 Super
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Prices as of August 1, 2026. Updated daily.