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Apple says TSMC/Samsung A9 battery life differs only 2-3 percent

by Jacob Kleinman | October 9, 2015October 9, 2015 9:00 am PST

The iPhone 6s and iPhone 6s Plus may pack Apple’s most powerful processor yet, but it turns out each version of the new A9 chip may not be created equal. Recent tests suggest battery life could vary depending on which processor you get, though Apple says the difference is barely noticeable.

The A9 chip is actually produced by two different companies, with Samsung and the Taiwanese Semiconductor Manufacturing Company (TSMC) splitting the load. It turns out that the TSMC chip is slightly bigger and may also consume less power. According to some third-party tests, the difference could be as much as two hours of extra use depending on which firm made the processor in your new iPhone.

But Apple says these tests don’t amount to much. In an official statement, the company said they don’t reflect real life use. According to Cupertino’s tests, the difference between Samsung and TSMC’s A9 chips is just 2 or 3 percent.

“Certain manufactured lab tests which run the processors with a continuous heavy workload until the battery depletes are not representative of real-world usage,” the company said, “since they spend an unrealistic amount of time at the highest CPU performance state.”

Apple isn’t offering the option to pick with version of the A9 you want in your new iPhone, so hopefully the company’s claims hold up over time.

The Guardian

Jacob Kleinman

Jacob Kleinman has been working as a journalist online and in print since he arrived at Wesleyan University in 2007. After graduating, he took a...