The iPhone 6 was released in September 2014 and was sold through September 2016. It features an Apple A8 chip providing 25% increase in CPU performance and 50% increase in graphics performance over the previous model. The 8mp camera on this model was upgraded with a new sensor added to help with photos taken in low light environments, as well as the ability to shoot 1080p videos. The iPhone 6 also added support for near field communication (NFC) which is primarily used for Apple Pay.