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Models with the most samples
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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.14% higher than A
Sequential write
MiB/s · higher is fasterB is 54.90% lower than A
4 KiB random read
MiB/s · higher is fasterB is 13.18% lower than A
4 KiB random write
MiB/s · higher is fasterB is 22.93% higher than A
Configuration details
| Detail | A · MacBookPro16,1 · 510 GB | B · MacBookPro15,1 · 233 GB |
|---|---|---|
| Platform | macOS | macOS |
| Sample count | 4 | 1 |
| Latest measurement | 2025-12-22 | 2023-08-04 |
| Random read IOPS | 10,959 | 9,515 |
| Random write IOPS | 65,173 | 80,117 |
| 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.