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Models with the most samples
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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.18% lower than A
Sequential write
MiB/s · higher is fasterB is 17.51% lower than A
4 KiB random read
MiB/s · higher is fasterB is 102.92% higher than A
4 KiB random write
MiB/s · higher is fasterB is 15.48% higher than A
Configuration details
| Detail | A · SAMSUNG MZVLB512HAJQ-000L7 · 476 GB | B · Xiaomi 2512BPNDAC · 1024 GB |
|---|---|---|
| Platform | Windows | Android |
| Sample count | 3 | 3 |
| Latest measurement | 2023-05-05 | 2026-04-29 |
| Random read IOPS | 12,096 | 24,544 |
| Random write IOPS | 22,054 | 25,467 |
| 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.