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Compare storage performance

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

Model A

OnePlus HD1900

128 GB · Android

Sample count: 1

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Model B

samsung SM-M556B

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 OnePlus HD1900 · 128 GB801.25
B samsung SM-M556B · 256 GB802.51

B is 0.16% higher than A

Sequential write

MiB/s · higher is faster
A OnePlus HD1900 · 128 GB146.16
B samsung SM-M556B · 256 GB454.30

B is 210.83% higher than A

4 KiB random read

MiB/s · higher is faster
A OnePlus HD1900 · 128 GB25.49
B samsung SM-M556B · 256 GB42.98

B is 68.64% higher than A

4 KiB random write

MiB/s · higher is faster
A OnePlus HD1900 · 128 GB11.33
B samsung SM-M556B · 256 GB31.51

B is 178.09% higher than A

Configuration details

DetailA · OnePlus HD1900 · 128 GBB · samsung SM-M556B · 256 GB
PlatformAndroidAndroid
Sample count11
Latest measurement2024-02-122026-04-08
Random read IOPS6,52511,003
Random write IOPS2,9018,067
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