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Models with the most samples
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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.06% lower than A
Sequential write
MiB/s · higher is fasterB is 5.19% lower than A
4 KiB random read
MiB/s · higher is fasterB is 1.60% lower than A
4 KiB random write
MiB/s · higher is fasterB is 3.65% higher than A
Configuration details
| Detail | A · iPhone 7(iPhone9,1) · 128 GB | B · iPad (7th generation) Wi-Fi(iPad7,11) · 128 GB |
|---|---|---|
| Platform | iOS | iOS |
| Sample count | 52 | 49 |
| Latest measurement | 2026-06-13 | 2026-06-30 |
| Random read IOPS | 3,756 | 3,696 |
| Random write IOPS | 1,518 | 1,573 |
| 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.