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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.02% lower than A
Sequential write
MiB/s · higher is fasterB is 15.69% lower than A
4 KiB random read
MiB/s · higher is fasterB is 11.21% lower than A
4 KiB random write
MiB/s · higher is fasterB is 11.42% lower than A
Configuration details
| Detail | A · LENOVO TB321FU · 256 GB | B · Xiaomi 13 Ultra · 512 GB |
|---|---|---|
| Platform | Android | Android |
| Sample count | 8 | 2 |
| Latest measurement | 2026-04-09 | 2024-01-22 |
| Random read IOPS | 19,456 | 17,276 |
| Random write IOPS | 18,326 | 16,234 |
| 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.