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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% lower than A
Sequential write
MiB/s · higher is fasterB is 20.74% higher than A
4 KiB random read
MiB/s · higher is fasterB is 33.33% higher than A
4 KiB random write
MiB/s · higher is fasterB is 78.36% lower than A
Configuration details
| Detail | A · MacBookPro16,1 · 233 GB | B · iPhone19,7(iPhone19,7) · 256 GB |
|---|---|---|
| Platform | macOS | iOS |
| Sample count | 1 | 10 |
| Latest measurement | 2025-02-28 | 2026-09-20 |
| Random read IOPS | 11,078 | 14,769 |
| Random write IOPS | 43,287 | 9,368 |
| 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.