Lexar
Lexar NM790 1TB · with heatsink
PCIe 4.0 · 7400/6500 MB/s · 1TB
86
/ 100
From $110
VS
Samsung 990 Pro 2TB wins by 6
Samsung
Samsung 990 Pro 2TB
PCIe 4.0 · 7,450/6,900 MB/s
92
/ 100
From $199
Specdex verdict
Samsung 990 Pro 2TB takes it — here’s why.
In our weighted Specdex score, Lexar NM790 1TB · with heatsink lands at 86 and Samsung 990 Pro 2TB at 92. That puts Samsung 990 Pro 2TB ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Lexar NM790 1TB · with heatsink if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
Pick Samsung 990 Pro 2TB if…
- ✓Best-in-class sustained speeds
- ✓1200 TBW endurance
- ✓Magician toolkit
Lexar NM790 1TB · with heatsink 86
vs 92 Samsung 990 Pro 2TB
Score breakdown
Lexar NM790 1TB · with heatsink
86 read 90
write 88
endurance 88
value 84
Samsung 990 Pro 2TB
92 read 96
write 94
endurance 92
value 86
Specs side-by-side
| Spec | Lexar NM790 1TB · with heatsink | Samsung 990 Pro 2TB |
|---|---|---|
| Interface | PCIe 4.0 | PCIe 4.0 x4 NVMe |
| Capacity | 1TB | — |
| Read/Write | 7400/6500 MB/s | — |
| Read speed | — | 7,450 MB/s |
| Write speed | — | 6,900 MB/s |
| TBW | — | 1200 |
| Form | — | M.2 2280 |
Lexar NM790 1TB · with heatsink
Pros
- +M.2 NVMe
- +Competitive per-GB cost
- +TBW scales with capacity
Cons
- −Thermals on Gen 5 drives
- −DRAM-less models slower under sustained load
- −Require heatsinks in many systems
Samsung 990 Pro 2TB
Pros
- +Best-in-class sustained speeds
- +1200 TBW endurance
- +Magician toolkit
Cons
- −Only PCIe 4.0
- −No included heatsink
- −Premium price
FAQ: Lexar NM790 1TB · with heatsink vs Samsung 990 Pro 2TB
Which is better, Lexar NM790 1TB · with heatsink or Samsung 990 Pro 2TB? +
Samsung 990 Pro 2TB scores 92 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.
Is Lexar NM790 1TB · with heatsink worth the price? +
At $110, Lexar NM790 1TB · with heatsink delivers a Specdex score of 86 — strongest in read.
Is Samsung 990 Pro 2TB worth the price? +
At $199, Samsung 990 Pro 2TB delivers a Specdex score of 92 — strongest in read.
Does Lexar NM790 1TB · with heatsink or Samsung 990 Pro 2TB last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.