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Compare storage performance

Choose two Models, then select Compare. You can compare different storage capacities.

Model A

OnePlus CPH2747

1024 GB · Android

Sample count: 6

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Model B

samsung SM-F976B

256 GB · Android

Sample count: 15

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Your comparison

Storage performance

Swap A & B

Sequential read

MiB/s · higher is faster
A OnePlus CPH2747 · 1024 GB2,609.38
B samsung SM-F976B · 256 GB2,612.93

B is 0.14% higher than A

Sequential write

MiB/s · higher is faster
A OnePlus CPH2747 · 1024 GB1,355.22
B samsung SM-F976B · 256 GB1,552.86

B is 14.58% higher than A

4 KiB random read

MiB/s · higher is faster
A OnePlus CPH2747 · 1024 GB105.05
B samsung SM-F976B · 256 GB88.82

B is 15.45% lower than A

4 KiB random write

MiB/s · higher is faster
A OnePlus CPH2747 · 1024 GB148.18
B samsung SM-F976B · 256 GB102.05

B is 31.13% lower than A

Configuration details

DetailA · OnePlus CPH2747 · 1024 GBB · samsung SM-F976B · 256 GB
PlatformAndroidAndroid
Sample count615
Latest measurement2026-07-162026-08-03
Random read IOPS26,89422,738
Random write IOPS37,93326,124
All capacitiesView 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.

How the tests work · Browse all results