An improved version of Apple’s iPhone 6 that made its debut in October 2015. The iPhone 6S and the iPhone 6S Plus add a variety of new features while retaining the same display and overall size as the iPhone 6 (4.7-inch display with 1334×750 resolution) and the iPhone 6 Plus (5.5-inch screen with 1920×1080 resolution).
The iPhone 6S runs on a new 64-bit A9 chip that offers up to 70 percent faster CPU performance and up to 90 percent faster GPU performance than the iPhone 6, according to Apple. Another key addition in the Apple iPhone 6S is a 3D Touch feature that utilizes Apple s Taptic Engine to sense the amount of fingerprint pressure applied to the iPhone 6S display and reacts accordingly.
The iPhone 6S also adds iOS 9 as its mobile operating system, an improved 12-megapixel iSight camera with support for taking 4K video, and Wi-Fi and LTE performance enhancements. Pricing for the iPhone 6S remains unchanged from the iPhone 6.