[ GLOSSARY DEFINITION ] Storage

UFS

Universal Flash Storage, the dominant phone storage standard; UFS 4.0 doubles UFS 3.1 speed.

Also known as: UFS 4.0 UFS 3.1

Full Definition & Technical Explanation

UFS (4.0/3.1) is Android's fast flash standard. UFS 4.0 reaches ~4200 MB/s read. DeviceBenchmark normalizes to Storage Type — many Android phones show UFS, iPhones/Tablets show NVMe; same idea: fast sold-state storage.

UFS 4.0 also reduces power use. See Storage Type and Storage size specs.

Where UFS Matters

Frequently Asked Questions

What is UFS?

Universal Flash Storage, the dominant phone storage standard; UFS 4.0 doubles UFS 3.1 speed.

What terms are related to UFS?

Related Storage terms include NVMe, SSD, eMMC, Storage Size.

Related Technical Terms

NVMe
Fast flash storage protocol over PCIe; much quicker than eMMC/UFS in phones and laptops. Storage
SSD
A storage drive with no moving parts; much faster and more durable than a hard drive. Storage
eMMC
Budget embedded flash storage; slower than UFS/NVMe, found in entry-level devices. Storage
Storage Size
How much built-in storage a device has (GB/TB); determines how many apps, photos, and games fit. Storage
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