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Compare storage performance

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

Model A

HUAWEI BLK-LX9

256 GB · Android

Sample count: 6

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Model B

OnePlus CPH2487

128 GB · Android

Sample count: 43

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Your comparison

Storage performance

Swap A & B

Sequential read

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

B is 0.16% higher than A

Sequential write

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

B is 25.78% lower than A

4 KiB random read

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

B is 61.01% lower than A

4 KiB random write

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

B is 36.86% lower than A

Configuration details

DetailA · HUAWEI BLK-LX9 · 256 GBB · OnePlus CPH2487 · 128 GB
PlatformAndroidAndroid
Sample count643
Latest measurement2026-06-252026-09-05
Random read IOPS19,3617,549
Random write IOPS14,9869,462
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