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Models with the most samples
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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.16% lower than A
Sequential write
MiB/s · higher is fasterB is 67.83% lower than A
4 KiB random read
MiB/s · higher is fasterB is 40.70% lower than A
4 KiB random write
MiB/s · higher is fasterB is 64.04% lower than A
Configuration details
| Detail | A · samsung SM-M556B · 256 GB | B · OnePlus HD1900 · 128 GB |
|---|---|---|
| Platform | Android | Android |
| Sample count | 1 | 1 |
| Latest measurement | 2026-04-08 | 2024-02-12 |
| Random read IOPS | 11,003 | 6,525 |
| Random write IOPS | 8,067 | 2,901 |
| 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.