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Compare storage performance

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

Model A

samsung SM-F976B

256 GB · Android

Sample count: 15

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Model B

OnePlus CPH2747

1024 GB · Android

Sample count: 6

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Your comparison

Storage performance

Swap A & B

Sequential read

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

B is 0.14% lower than A

Sequential write

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

B is 12.73% lower than A

4 KiB random read

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

B is 18.28% higher than A

4 KiB random write

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

B is 45.20% higher than A

Configuration details

DetailA · samsung SM-F976B · 256 GBB · OnePlus CPH2747 · 1024 GB
PlatformAndroidAndroid
Sample count156
Latest measurement2026-08-032026-07-16
Random read IOPS22,73826,894
Random write IOPS26,12437,933
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