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Models with the most samples
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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.53% higher than A
Sequential write
MiB/s · higher is fasterB is 18.01% lower than A
4 KiB random read
MiB/s · higher is fasterB is 4.87% lower than A
4 KiB random write
MiB/s · higher is fasterB is 22.53% lower than A
Configuration details
| Detail | A · samsung SM-S948W · 1024 GB | B · OnePlus CPH2749 · 256 GB |
|---|---|---|
| Platform | Android | Android |
| Sample count | 2 | 2 |
| Latest measurement | 2026-09-21 | 2026-04-09 |
| Random read IOPS | 26,620 | 25,324 |
| Random write IOPS | 35,779 | 27,720 |
| 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.