Between the 9100 PRO 2TB and 980 PRO 2TB, the 9100 PRO 2TB comes out ahead in sequential write and sequential read, while the 980 PRO 2TB wins on several specs. Overall, the 9100 PRO 2TB scores 89.8 and the 980 PRO 2TB scores 66.4 on our Mars Score.
Which should you buy?
The 9100 PRO 2TB is the clear pick on raw spec strength, leading by 23.4 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 9100 PRO 2TB if you care most about sequential write and sequential read. The biggest gaps in its favor are sequential write, sequential read, interface.
The 980 PRO 2TB similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable capacity, endurance (tbw), so those specs don't separate the two — focus on the differences below.
Bottom line: the 9100 PRO 2TB is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Samsung - 9100 PRO 2TB wins
- ▲Sequential write — 162.75% more. 13400 MB/s vs 5100 MB/s.
- ▲Sequential read — 111.43% more. 14800 MB/s vs 7000 MB/s.
- ▲Interface: PCIe 5.0 x4 (vs PCIe 4.0 x4).
Why Samsung - 980 PRO 2TB wins
- No decisive advantages.
Spec comparison
Capacity
| Spec | Samsung - 9100 PRO 2TB | Samsung - 980 PRO 2TB |
|---|---|---|
| Capacity | 2000 GB | 2000 GB |
Performance
| Spec | Samsung - 9100 PRO 2TB | Samsung - 980 PRO 2TB |
|---|---|---|
| Sequential read | 14800 MB/slead | 7000 MB/s |
| Sequential write | 13400 MB/slead | 5100 MB/s |
| Interface | PCIe 5.0 x4lead | PCIe 4.0 x4 |
| Form factor | M.2 2280 | M.2 2280 |
Endurance
| Spec | Samsung - 9100 PRO 2TB | Samsung - 980 PRO 2TB |
|---|---|---|
| Endurance (TBW)ⓘ | 1200 | 1200 |
| Warranty | 5 yrs | 5 yrs |
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.