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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.08% lower than A
Sequential write
MiB/s · higher is fasterB is 24.05% higher than A
4 KiB random read
MiB/s · higher is fasterB is 25.55% lower than A
4 KiB random write
MiB/s · higher is fasterB is 9.31% lower than A
Configuration details
| Detail | A · Xiaomi 2311DRK48G · 512 GB | B · samsung SM-F956B · 256 GB |
|---|---|---|
| Platform | Android | Android |
| Sample count | 259 | 7 |
| Latest measurement | 2026-08-03 | 2026-04-24 |
| Random read IOPS | 20,895 | 15,555 |
| Random write IOPS | 17,991 | 16,316 |
| 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.