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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.18% higher than A
Sequential write
MiB/s · higher is fasterB is 17.19% higher than A
4 KiB random read
MiB/s · higher is fasterB is 13.30% lower than A
4 KiB random write
MiB/s · higher is fasterB is 4.42% lower than A
Configuration details
| Detail | A · Xiaomi 2311DRK48C · 256 GB | B · samsung SM-F9460 · 512 GB |
|---|---|---|
| Platform | Android | Android |
| Sample count | 24 | 7 |
| Latest measurement | 2026-06-23 | 2026-04-14 |
| Random read IOPS | 20,003 | 17,343 |
| Random write IOPS | 15,919 | 15,215 |
| 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.