Between the 870 EVO 1TB and Blue SN5000 2TB, the 870 EVO 1TB comes out ahead in several specs, while the Blue SN5000 2TB wins on sequential read and sequential write. Overall, the 870 EVO 1TB scores 43.5 and the Blue SN5000 2TB scores 63.8 on our Mars Score.
Which should you buy?
The Blue SN5000 2TB is the clear pick on raw spec strength, leading by 20.3 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
The 870 EVO 1TB doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the Blue SN5000 2TB if you care most about sequential read and sequential write. Its strongest claims are sequential read, sequential write, capacity, among others.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the Blue SN5000 2TB is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Samsung - 870 EVO 1TB wins
- No decisive advantages.
Why WD - Blue SN5000 2TB wins
- ▲Sequential read — 882.14% more. 5500 MB/s vs 560 MB/s.
- ▲Sequential write — 843.40% more. 5000 MB/s vs 530 MB/s.
- ▲Capacity — 100.00% more. 2000 GB vs 1000 GB.
- ▲Endurance (TBW) — 50.00% more. 900 vs 600.
- ▲Interface: PCIe 4.0 x4 (vs SATA III).
Spec comparison
Capacity
| Spec | Samsung - 870 EVO 1TB | WD - Blue SN5000 2TB |
|---|---|---|
| Capacity | 1000 GB | 2000 GBlead |
Performance
| Spec | Samsung - 870 EVO 1TB | WD - Blue SN5000 2TB |
|---|---|---|
| Sequential read | 560 MB/s | 5500 MB/slead |
| Sequential write | 530 MB/s | 5000 MB/slead |
| Interface | SATA III | PCIe 4.0 x4lead |
| Form factor | 2.5" SATA | M.2 2280lead |
Endurance
| Spec | Samsung - 870 EVO 1TB | WD - Blue SN5000 2TB |
|---|---|---|
| Endurance (TBW)ⓘ | 600 | 900lead |
| Warranty | 5 yrs | 5 yrs |
Frequently asked
Spec-level deep dives
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