Between the NM800 Pro 2TB and 870 EVO 1TB, the NM800 Pro 2TB comes out ahead in sequential read and sequential write, while the 870 EVO 1TB wins on several specs. Overall, the NM800 Pro 2TB scores 69.6 and the 870 EVO 1TB scores 43.5 on our Mars Score.
Which should you buy?
The NM800 Pro 2TB is the clear pick on raw spec strength, leading by 26.1 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.
Pick the NM800 Pro 2TB if you care most about sequential read and sequential write. The biggest gaps in its favor are sequential read, sequential write, endurance (tbw), among others.
The 870 EVO 1TB similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the NM800 Pro 2TB is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Lexar - NM800 Pro 2TB wins
- ▲Sequential read — 1239.29% more. 7500 MB/s vs 560 MB/s.
- ▲Sequential write — 1126.42% more. 6500 MB/s vs 530 MB/s.
- ▲Endurance (TBW) — 150.00% more. 1500 vs 600.
- ▲Capacity — 100.00% more. 2000 GB vs 1000 GB.
- ▲Interface: PCIe 4.0 x4 (vs SATA III).
Why Samsung - 870 EVO 1TB wins
- No decisive advantages.
Spec comparison
Capacity
| Spec | Lexar - NM800 Pro 2TB | Samsung - 870 EVO 1TB |
|---|---|---|
| Capacity | 2000 GBlead | 1000 GB |
Performance
| Spec | Lexar - NM800 Pro 2TB | Samsung - 870 EVO 1TB |
|---|---|---|
| Sequential read | 7500 MB/slead | 560 MB/s |
| Sequential write | 6500 MB/slead | 530 MB/s |
| Interface | PCIe 4.0 x4lead | SATA III |
| Form factor | M.2 2280lead | 2.5" SATA |
Endurance
| Spec | Lexar - NM800 Pro 2TB | Samsung - 870 EVO 1TB |
|---|---|---|
| Endurance (TBW)ⓘ | 1500lead | 600 |
| Warranty | 5 yrs | 5 yrs |
Frequently asked
Spec-level deep dives
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