Video: What’s the Deal with the iPhone 6S Battery Life?

A customer tries out the new Apple iPhone 6S at an Apple store in Chicago.

A customer tries out the new Apple iPhone 6S at an Apple store in Chicago. Kiichiro Sato/AP

Not all iPhones are created equal -- and that's because the A9 processor chip had two different manufacturers.

You may have recently decided to upgrade to the iPhone 6s or 6s Plus, but beware: Not every single one of Apple's latest edition phone is exactly the same. 

The A9 processor chip, which is in every new iPhone, had two different manufacturers. Some phones have a Samsung chip, while others have a chip from TSMC, and it turns out not all chips are created equal. The chips from TSMC reportedly provide users a better battery life

The difference in battery might be slight, but it's still enough to rile up consumers.

To learn more check out the video from CNET below: