Side by side
Compare storage performance
Choose two Models, then select Compare. You can compare different storage capacities.
Select a benchmark configuration
Choose Model B
Each option includes its storage capacity. Select one to add it to your comparison.
Models with the most samples
Your comparison
Storage performance
Sequential read
MiB/s · higher is fasterB is 0.11% higher than A
Sequential write
MiB/s · higher is fasterB is 32.40% lower than A
4 KiB random read
MiB/s · higher is fasterB is 35.52% lower than A
4 KiB random write
MiB/s · higher is fasterB is 34.88% lower than A
Configuration details
| Detail | A · iPhone 13(iPhone14,5) · 256 GB | B · iPad Pro (11-inch) (2nd generation) Wi-Fi(iPad8,9) · 256 GB |
|---|---|---|
| Platform | iOS | iOS |
| Sample count | 388 | 117 |
| Latest measurement | 2026-09-20 | 2026-06-16 |
| Random read IOPS | 8,672 | 5,592 |
| Random write IOPS | 6,508 | 4,238 |
| 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.