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Models with the most samples
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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.02% higher than A
Sequential write
MiB/s · higher is fasterB is 2.50% lower than A
4 KiB random read
MiB/s · higher is fasterB is 193.84% higher than A
4 KiB random write
MiB/s · higher is fasterB is 0.29% higher than A
Configuration details
| Detail | A · KPART512GBC2DVT · 476 GB | B · samsung SM-S948W · 512 GB |
|---|---|---|
| Platform | Windows | Android |
| Sample count | 7 | 1 |
| Latest measurement | 2023-11-09 | 2026-09-14 |
| Random read IOPS | 9,096 | 26,728 |
| Random write IOPS | 33,339 | 33,437 |
| 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.