According to recent reports, some iPhone 6s and 6s Plus users may have to deal with shorter battery life. It is believed that the 6s and 6s Plus models running on the A9 chipset manufactured by Samsung offer a battery life that is two hours less than the one offered by the A9 SoC from TSMC (Taiwan Semiconductor Manufacturing Company).

In another test report published by Geekbench, the 6s and 6s Plus with TSMC’s A9 SoC has a battery score of 4703 and a battery life of eight hours, while the one with Samsung A9 chipsets has a substantially lower battery score of 3653 with a battery life of six hours.

The report also stated that the tests were carried out multiple times with results being the same each time; a clear two hour difference between TSMC’s A9 SoC and the Samsung A9 chipset. To ensure unbiased results, the tests were conducted with the same settings and the same backup.

60 percent of the iPhone 6s units run on the Samsung made A9 chipset, while 30 percent run on the TSMC A9 SoC. Theoretically, Samsung’s A9 chipset should perform faster, thanks to the use of a 14 nanometer FinFet process. The A9 SoC from TSMC uses an inferior 16 nanometer FinFet process. However, real world battery usage data may vary and it still remains to be seen how this could effect battery life.

Image Credits: iPhone 6s

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