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Models with the most samples
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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.12% lower than A
Sequential write
MiB/s · higher is fasterB is 9.24% higher than A
4 KiB random read
MiB/s · higher is fasterB is 21.86% higher than A
4 KiB random write
MiB/s · higher is fasterB is 60.13% higher than A
Configuration details
| Detail | A · samsung SM-X910 · 512 GB | B · OnePlus CPH2653 · 512 GB |
|---|---|---|
| Platform | Android | Android |
| Sample count | 21 | 24 |
| Latest measurement | 2025-02-18 | 2026-08-27 |
| Random read IOPS | 17,798 | 21,688 |
| Random write IOPS | 15,814 | 25,322 |
| 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.