Apple iPhone 6S: LPDDR4 arrives at Apple
September 30, 2015
As reported by Chipworks last week, the Apple iPhone 6S is using 2GB of LPDDR4 DRAM. This means that Apple is now joining other phones such as the LG Gflex2, the Samsung Galaxy S6, Xiaomi Mi Note Pro, HTC OneM9, and several others in using LPDDR4 RAM.
The decision to use LPDDR4 appears to be a costly one. Teardown.com reports that LPDDR4 was a significant cost adder to the iPhone6S, raising the cost of DRAM from $4.50 for the 1GB LPDDR3 used in the iPhone 6, up to $16 for the 2GB of LPDDR4 in the iPhone 6S.
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