Lexar NM790 vs Western Digital Black SN770
Prices may vary · We may earn a commission on purchases. Learn more
AI Matrix
Powered by Claude AIWestern Digital Black SN770 narrowly beats the Lexar NM790 in the ssd storage category, especially in performance, scoring 41 vs 37. If you want the better overall ssd storage, Western Digital Black SN770 is the recommended choice.
5 Reasons Why Western Digital Black SN770 Is Better
- 1.Faster read speed: 5,000MB/s vs 3,500MB/s
- 2.Faster write speed: 4,000MB/s vs 3,000MB/s
- 3.Higher endurance: 500 TBW vs 240 TBW
- 4.Longer warranty: 5 years vs 3 years
- 5.Better performance score: 35 vs 24
What are you giving up?
Picking Western Digital Black SN770 over Lexar NM790 means trading these off.
You give up
- −$50 cheaper ($79 vs $129)
You gain
- +Longer warranty: 5yr vs 3yr
Spec Comparison
Lexar NM790Western Digital Black SN770
Score Breakdown
Lexar NM790Western Digital Black SN770
24
Read Speed30% weight
35Western Digital Black SN770 Winner
95
Price20% weight
88Lexar NM790 Winner
24
Write Speed20% weight
32Western Digital Black SN770 Winner
35
Capacity15% weight
35Tie
4
Endurance15% weight
11Western Digital Black SN770 Winner
Scores are relative within the ssd storagecategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
Lexar NM790
✓ Pros
- ●Lower price: $79 vs $129
- ●Better value for money
✗ Cons
- ●Lower display score
- ●Lower performance score
Western Digital Black SN770
Winner✓ Pros
- ●Higher performance score
- ●Better display score
- ●Better design score
✗ Cons
- ●Higher price: $129 vs $79
- ●Higher price relative to value
Spec Comparison
| Spec | Lexar NM790 | Western Digital Black SN770W |
|---|---|---|
| Price | 79$✓ | 129$ |
Who Should Buy
Buy Lexar NM790 if…
Choose the Lexar NM790 if budget is your top priority — it offers competitive specs at a lower price point.
Buy Western Digital Black SN770 if…
Buy the Western Digital Black SN770 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Lexar NM790 vs Western Digital Black SN770 — FAQ
Lexar NM790 vs Western Digital Black SN770: which is better?
Western Digital Black SN770 narrowly beats the Lexar NM790 in the ssd storage category, especially in performance, scoring 41 vs 37. If you want the better overall ssd storage, Western Digital Black SN770 is the recommended choice.
Is Lexar NM790 better than Western Digital Black SN770?
No, Western Digital Black SN770 scores higher (51 vs 47).
Which is cheaper, Lexar NM790 or Western Digital Black SN770?
Lexar NM790 is cheaper at $79 vs $129 for the Western Digital Black SN770.
Who should buy the Lexar NM790?
Choose the Lexar NM790 if budget is your top priority — it offers competitive specs at a lower price point.
Who should buy the Western Digital Black SN770?
Buy the Western Digital Black SN770 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Related Comparisons
Full Lexar NM790 review →Full Western Digital Black SN770 review →All Lexar SSD Storage →All WD SSD Storage →
Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.