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Compare storage performance

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

Model A

Xiaomi 2311DRK48C

512 GB · Android

Sample count: 19

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Model B

realme RMX3850

256 GB · Android

Sample count: 4

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Your comparison

Storage performance

Swap A & B

Sequential read

MiB/s · higher is faster
A Xiaomi 2311DRK48C · 512 GB1,861.96
B realme RMX3850 · 256 GB1,859.56

B is 0.13% lower than A

Sequential write

MiB/s · higher is faster
A Xiaomi 2311DRK48C · 512 GB877.85
B realme RMX3850 · 256 GB1,160.27

B is 32.17% higher than A

4 KiB random read

MiB/s · higher is faster
A Xiaomi 2311DRK48C · 512 GB75.05
B realme RMX3850 · 256 GB61.97

B is 17.43% lower than A

4 KiB random write

MiB/s · higher is faster
A Xiaomi 2311DRK48C · 512 GB63.46
B realme RMX3850 · 256 GB38.30

B is 39.65% lower than A

Configuration details

DetailA · Xiaomi 2311DRK48C · 512 GBB · realme RMX3850 · 256 GB
PlatformAndroidAndroid
Sample count194
Latest measurement2026-07-252024-11-01
Random read IOPS19,21415,864
Random write IOPS16,2469,804
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