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 6.08% lower than A
Sequential write
MiB/s · higher is fasterB is 178.75% higher than A
4 KiB random read
MiB/s · higher is fasterB is 2.17% lower than A
4 KiB random write
MiB/s · higher is fasterB is 8.00% higher than A
Configuration details
| Detail | A · Mac17,9 · 1858 GB | B · Mac17,6 · 7449 GB |
|---|---|---|
| Platform | macOS | macOS |
| Sample count | 4 | 1 |
| Latest measurement | 2026-09-12 | 2026-07-23 |
| Random read IOPS | 12,898 | 12,618 |
| Random write IOPS | 10,887 | 11,757 |
| 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.