The internal storage of a smartphone is a space that is used to hold data on a smartphone. This data includes the Operating System, personal data, games, apps, books, pictures, movies, etc.
eMMC vs UFS
|Instruction||1 at a|
|2 or more
at a time
The eMMC storage is the older of the two. It is very slow when compared to UFS. It has a lower bandwidth and consumes a lot more battery. The only good thing about it is that it is cheap. It costs less to produce an eMMC storage when compared to a UFS model.
This is why a lot of manufacturers still tend to use them in lower-end phones to this day. You can find them on lower midrange, budget, and entry-level devices.
eMMC storage is being phased out due to its poorer reliability, endurance, capacity, and half-duplex setup that can only do one task at a time.
UFS storage on the other hand is the latest kid on the block. It is newer, faster, and has a much higher bandwidth for data transmission. It consumes less battery, is more reliable, will last longer, and has a much higher capacity.
To sweeten the deal, UFS storage can do two instructions at once as opposed to eMMC which can only do one. All of these improvements that come from using UFS storage means that the phone would respond faster and be a joy to use but it does come at a cost, literally.
UFS storage is expensive. The higher you go, the more expensive it gets. This usually translates into more expensive phones but the benefits are worth it in the long run.
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