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Compare storage performance

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Model A

OPPO CPH2637

512 GB · Android

Sample count: 2

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Model B

OPPO CPH2527

256 GB · Android

Sample count: 1

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Your comparison

Storage performance

Swap A & B

Sequential read

MiB/s · higher is faster
A OPPO CPH2637 · 512 GB502.21
B OPPO CPH2527 · 256 GB502.45

B is 0.05% higher than A

Sequential write

MiB/s · higher is faster
A OPPO CPH2637 · 512 GB352.92
B OPPO CPH2527 · 256 GB332.47

B is 5.79% lower than A

4 KiB random read

MiB/s · higher is faster
A OPPO CPH2637 · 512 GB44.18
B OPPO CPH2527 · 256 GB27.83

B is 37.02% lower than A

4 KiB random write

MiB/s · higher is faster
A OPPO CPH2637 · 512 GB29.39
B OPPO CPH2527 · 256 GB39.17

B is 33.27% higher than A

Configuration details

DetailA · OPPO CPH2637 · 512 GBB · OPPO CPH2527 · 256 GB
PlatformAndroidAndroid
Sample count21
Latest measurement2026-05-282024-07-18
Random read IOPS11,3107,123
Random write IOPS7,52410,027
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