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Compare storage performance

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

Model A

OnePlus CPH2487

128 GB · Android

Sample count: 43

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Model B

HUAWEI BLK-LX9

256 GB · Android

Sample count: 6

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Your comparison

Storage performance

Swap A & B

Sequential read

MiB/s · higher is faster
A OnePlus CPH2487 · 128 GB1,046.71
B HUAWEI BLK-LX9 · 256 GB1,044.99

B is 0.16% lower than A

Sequential write

MiB/s · higher is faster
A OnePlus CPH2487 · 128 GB457.94
B HUAWEI BLK-LX9 · 256 GB616.97

B is 34.73% higher than A

4 KiB random read

MiB/s · higher is faster
A OnePlus CPH2487 · 128 GB29.49
B HUAWEI BLK-LX9 · 256 GB75.63

B is 156.46% higher than A

4 KiB random write

MiB/s · higher is faster
A OnePlus CPH2487 · 128 GB36.96
B HUAWEI BLK-LX9 · 256 GB58.54

B is 58.37% higher than A

Configuration details

DetailA · OnePlus CPH2487 · 128 GBB · HUAWEI BLK-LX9 · 256 GB
PlatformAndroidAndroid
Sample count436
Latest measurement2026-09-052026-06-25
Random read IOPS7,54919,361
Random write IOPS9,46214,986
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