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Compare storage performance

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Model A

samsung SM-M356B

128 GB · Android

Sample count: 13

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Model B

vivo vivo 1933

128 GB · Android

Sample count: 2

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Your comparison

Storage performance

Swap A & B

Sequential read

MiB/s · higher is faster
A samsung SM-M356B · 128 GB523.05
B vivo vivo 1933 · 128 GB523.32

B is 0.05% higher than A

Sequential write

MiB/s · higher is faster
A samsung SM-M356B · 128 GB394.35
B vivo vivo 1933 · 128 GB143.05

B is 63.73% lower than A

4 KiB random read

MiB/s · higher is faster
A samsung SM-M356B · 128 GB45.22
B vivo vivo 1933 · 128 GB24.23

B is 46.42% lower than A

4 KiB random write

MiB/s · higher is faster
A samsung SM-M356B · 128 GB38.94
B vivo vivo 1933 · 128 GB20.85

B is 46.44% lower than A

Configuration details

DetailA · samsung SM-M356B · 128 GBB · vivo vivo 1933 · 128 GB
PlatformAndroidAndroid
Sample count132
Latest measurement2026-06-062024-07-14
Random read IOPS11,5756,203
Random write IOPS9,9685,339
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