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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.01% lower than A
Sequential write
MiB/s · higher is fasterB is 28.06% lower than A
4 KiB random read
MiB/s · higher is fasterB is 4.95% higher than A
4 KiB random write
MiB/s · higher is fasterB is 3.66% higher than A
Configuration details
| Detail | A · Xiaomi Redmi K30 Pro Zoom Edition · 256 GB | B · samsung SM-N975U1 · 256 GB |
|---|---|---|
| Platform | Android | Android |
| Sample count | 8 | 6 |
| Latest measurement | 2026-01-03 | 2025-02-04 |
| Random read IOPS | 8,753 | 9,187 |
| Random write IOPS | 8,033 | 8,326 |
| 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.