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Storage performance
Sequential read
MiB/s · higher is fasterSame measured average
Sequential write
MiB/s · higher is fasterB is 47.72% lower than A
4 KiB random read
MiB/s · higher is fasterB is 19.30% lower than A
4 KiB random write
MiB/s · higher is fasterB is 40.71% lower than A
Configuration details
| Detail | A · OPPO CPH2505 · 128 GB | B · Xiaomi M2007J20CG · 128 GB |
|---|---|---|
| Platform | Android | Android |
| Sample count | 2 | 42 |
| Latest measurement | 2024-01-06 | 2026-05-18 |
| Random read IOPS | 9,896 | 7,986 |
| Random write IOPS | 9,725 | 5,766 |
| 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.