Android · Storage benchmark

samsung SM-A366B

Sequential and 4 KiB random read/write performance, measured with Jazz Disk Bench.

256 GBSample count: 18Latest measurement 2026-07-16

Sequential read

841.19MiB/s

Average transfer speed

Sequential write

490.16MiB/s

Average transfer speed

4 KiB random read

39.67MiB/s

10,155 IOPS · Q1T1

4 KiB random write

32.49MiB/s

8,318 IOPS · Q1T1

Every capacity, one place

Results by capacity

Average speed · MiB/s

All recorded capacities for samsung SM-A366B on Android
Capacity	Seq. read	Seq. write	4 KiB read	4 KiB write	Sample count	Latest measurement	Compare
128 GB	898.66	438.45	41.28	37.42	2	2026-06-04	Compare →
256 GB	841.19	490.16	39.67	32.49	18	2026-07-16	Compare →

Measurement details

Data source: Imported aggregate
Recorded workload version: Not recorded in the original aggregate
Grouping: Model, capacity and platform
Sample count: Number of recorded test runs, not unique devices

How results are aggregated

Results checked 2026-09-23 · Speeds in MiB/s · About these measurements

Reading these results

These are average measured speeds for the selected Model, capacity and platform. Sequential tests describe large-file transfers; random Q1T1 tests describe small-block operations. Storage capacity, free space, temperature and background activity can affect results.

Compare individual read and write measurements to match your workload. Read the test methodology or learn why results vary.