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 0.01% higher than A
Sequential write
MiB/s · higher is fasterB is 19.15% higher than A
4 KiB random read
MiB/s · higher is fasterB is 7.40% lower than A
4 KiB random write
MiB/s · higher is fasterB is 27.24% lower than A
Configuration details
| Detail | A · vivo PA2671 · 512 GB | B · samsung SM-S9480 · 256 GB |
|---|---|---|
| Platform | Android | Android |
| Sample count | 1 | 3 |
| Latest measurement | 2026-10-20 | 2026-10-19 |
| Random read IOPS | 28,389 | 26,287 |
| Random write IOPS | 54,125 | 39,382 |
| 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.