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Models with the most samples
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Storage performance
Sequential read
MiB/s · higher is fasterB is 0.08% higher than A
Sequential write
MiB/s · higher is fasterB is 13.30% lower than A
4 KiB random read
MiB/s · higher is fasterB is 26.40% lower than A
4 KiB random write
MiB/s · higher is fasterB is 20.28% lower than A
Configuration details
| Detail | A · NVMe Samsung SSD 980 · 931 GB | B · PM981a NVMe Samsung 512GB · 476 GB |
|---|---|---|
| Platform | Windows | Windows |
| Sample count | 1 | 2 |
| Latest measurement | 2023-10-08 | 2023-09-29 |
| Random read IOPS | 11,534 | 8,489 |
| Random write IOPS | 21,347 | 17,018 |
| 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.