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Compare storage performance

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

Model A

OPPO PGEM10

512 GB · Android

Sample count: 11

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Model B

OnePlus CPH2581

512 GB · Android

Sample count: 2

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Your comparison

Storage performance

Swap A & B

Sequential read

MiB/s · higher is faster
A OPPO PGEM10 · 512 GB1,735.69
B OnePlus CPH2581 · 512 GB1,737.12

B is 0.08% higher than A

Sequential write

MiB/s · higher is faster
A OPPO PGEM10 · 512 GB1,170.50
B OnePlus CPH2581 · 512 GB1,173.93

B is 0.29% higher than A

4 KiB random read

MiB/s · higher is faster
A OPPO PGEM10 · 512 GB71.55
B OnePlus CPH2581 · 512 GB68.95

B is 3.64% lower than A

4 KiB random write

MiB/s · higher is faster
A OPPO PGEM10 · 512 GB54.08
B OnePlus CPH2581 · 512 GB49.50

B is 8.48% lower than A

Configuration details

DetailA · OPPO PGEM10 · 512 GBB · OnePlus CPH2581 · 512 GB
PlatformAndroidAndroid
Sample count112
Latest measurement2025-04-172026-10-10
Random read IOPS18,31717,650
Random write IOPS13,84512,671
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