Samsung 870 EVO 2TB SATA vs WD Blue SN580 1TB: Which Should You Actually Buy?
Head-to-head: Samsung 870 EVO 2TB SATA vs WD Blue SN580 1TB. Side-by-side specs, real-world performance, price-to-performance and a clear buy recom...
Samsung 870 EVO 2TB SATA vs WD Blue SN580 1TB: Which Should You Actually Buy?
A head-to-head comparison of the Samsung 870 EVO 2TB SATA and the WD Blue SN580 1TB. 2TB SATA III. Last updated 2026-03-17.
Samsung 870 EVO 2TB SATA vs WD Blue SN580 1TB: the short version
Two strong options in the same ssd class, aimed at different buyers. Below is a clean side-by-side, the real performance gap, and a no-nonsense recommendation so you stop second-guessing and buy the one that fits your build and budget.
Side-by-side specs
| Spec | Samsung 870 EVO 2TB SATA | WD Blue SN580 1TB | | --- | --- | --- | | Vendor | Samsung | WD | | Tier | mainstream | mainstream | | Released | 2020 | 2022 | | Capacity | 2TB | 1TB | | Interface | SATA III | PCIe 4.0 NVMe | | Form factor | 2.5in | M.2 2280 |
Head-to-head: who wins what
- Performance: Samsung 870 EVO 2TB SATA and WD Blue SN580 1TB trade blows by workload. Samsung 870 EVO 2TB SATA has the edge where its stronger 2TB of SATA III matters; WD Blue SN580 1TB wins the rest.
- Efficiency: See the spec table for board power and plan your PSU accordingly.
- Value: Same-class rivals shift price constantly — check current street pricing and let the cheaper one at your target resolution decide value.
- Our pick: Buy Samsung 870 EVO 2TB SATA if you want the outright ceiling and can cool/power it. Buy WD Blue SN580 1TB if you want lower power, lower cost, or a feature the other lacks. (Plan for ~0 W board power plus the rest of the system.)
Confirm headroom before you commit
A limit you cannot see will eat your gains. Run the VRAM Usage Estimator to confirm the pair fits your build before you buy either.