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Models with the most samples
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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.01% higher than A
Sequential write
MiB/s · higher is fasterB is 38.37% higher than A
4 KiB random read
MiB/s · higher is fasterB is 91.89% higher than A
4 KiB random write
MiB/s · higher is fasterB is 18.44% lower than A
Configuration details
| Detail | A · Lexar SSD NM620 256GB · 238 GB | B · samsung SM-S9370 · 256 GB |
|---|---|---|
| Platform | Windows | Android |
| Sample count | 1 | 7 |
| Latest measurement | 2024-01-02 | 2026-07-11 |
| Random read IOPS | 12,805 | 24,572 |
| Random write IOPS | 30,313 | 24,724 |
| All capacities | View Model → | View Model → |
Results checked · Speeds in MiB/s · About these measurements
Four tests. A clearer comparison.
Compare sequential and 4 KiB random read/write speeds side by side. Every option includes its Model, capacity and platform. You can compare 512 GB with 256 GB, including two capacities of the same Model.