Note: eMMC results above 320 MB/s are often cached DRAM, not true flash speed. UFS 2.2 is a substantial upgrade over eMMC 5.1 – not just on paper, but in daily user experience. For any device that will run Android 13+ or handle modern apps, UFS 2.2 is strongly recommended. eMMC 5.1 should be considered legacy technology suitable only for extreme budget or single-purpose devices. Bottom line for consumers: If you see a phone with eMMC 5.1 and another with UFS 2.2 at a price difference of $20–30, pay the extra. The performance gap is larger than a CPU upgrade in the same class.
UFS 2.2 drives typically last 2–3x longer under heavy write workloads. 7. Benchmark Examples (Real Devices) | Device | Storage | AndroBench Seq Read | AndroBench Seq Write | | :--- | :--- | :--- | :--- | | Redmi 10C (2022) | eMMC 5.1 | 285 MB/s | 210 MB/s | | Samsung A14 (eMMC variant) | eMMC 5.1 | 295 MB/s | 170 MB/s | | Poco X5 | UFS 2.2 | 820 MB/s | 540 MB/s | | Realme 10 Pro+ | UFS 2.2 | 890 MB/s | 580 MB/s | Ufs 2.2 Vs Emmc 5.1
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