Between the T705 2TB and T9 Portable 2TB, the T705 2TB comes out ahead in sequential read and sequential write, while the T9 Portable 2TB wins on interface. Overall, the T705 2TB scores 89.3 and the T9 Portable 2TB scores 52.4 on our Mars Score.
Which should you buy?
The T705 2TB is the clear pick on raw spec strength, leading by 36.9 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 T705 2TB if you care most about sequential read and sequential write. The biggest gaps in its favor are sequential read, sequential write.
Pick the T9 Portable 2TB if you care most about interface. Its strongest claims are interface.
Both ship with comparable capacity, endurance (tbw), so those specs don't separate the two — focus on the differences below.
Bottom line: the T705 2TB is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Crucial - T705 2TB wins
- ▲Sequential read — 625.00% more. 14500 MB/s vs 2000 MB/s.
- ▲Sequential write — 551.28% more. 12700 MB/s vs 1950 MB/s.
Why Samsung - T9 Portable 2TB wins
- ▲Interface: USB 3.2 Gen 2x2 (vs PCIe 5.0 x4).
Spec comparison
Capacity
| Spec | Crucial - T705 2TB | Samsung - T9 Portable 2TB |
|---|---|---|
| Capacity | 2000 GB | 2000 GB |
Performance
| Spec | Crucial - T705 2TB | Samsung - T9 Portable 2TB |
|---|---|---|
| Sequential read | 14500 MB/slead | 2000 MB/s |
| Sequential write | 12700 MB/slead | 1950 MB/s |
| Interface | PCIe 5.0 x4 | USB 3.2 Gen 2x2lead |
| Form factor | M.2 2280 | Portable USBlead |
Endurance
| Spec | Crucial - T705 2TB | Samsung - T9 Portable 2TB |
|---|---|---|
| Endurance (TBW)ⓘ | 1200 | 1200 |
| Warranty | 5 yrs | 5 yrs |
Frequently asked
Spec-level deep dives
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