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 0.13% lower than A
Sequential write
MiB/s · higher is fasterB is 20.53% higher than A
4 KiB random read
MiB/s · higher is fasterB is 22.09% higher than A
4 KiB random write
MiB/s · higher is fasterB is 1.73% lower than A
Configuration details
| Detail | A · samsung SM-S911B · 512 GB | B · OPPO PGEM10 · 512 GB |
|---|---|---|
| Platform | Android | Android |
| Sample count | 9 | 11 |
| Latest measurement | 2026-08-01 | 2025-04-17 |
| Random read IOPS | 15,003 | 18,317 |
| Random write IOPS | 14,089 | 13,845 |
| 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.