iPhone 6s and iPhone 6s Plus now have 2 GB of RAM, utilizing the latest LPDDR4 low-power memory technology. The RAM on the new iPhone 6s has not been upgraded from its initial 1 GB. The RAM on the iPhone 6S is 1 G, while the RAM on the iPhone 6S Plus is 2 G.
- Size: Both the iPhone 6s and the iPhone 6s Plus are slightly thicker and heavier than their predecessor, with the iPhone 6s being slightly thicker at 7.18 mm and the iPhone 6 Plus being slightly thicker at 7.28 mm.
- Weight: The weight of both the iPhone 6s and the iPhone 6s Plus increased from 129 g to 143 g.
Apple also improved the second-generation Touch ID, making it faster and more accurate compared to the first generation. Touch ID still remains one of the fastest fingerprint sensors in the market, recognized with an accuracy rate higher than other smartphones.
3D Touch technology is a major highlight on the new iPhone screens, allowing for various levels of pressure sensitivity across multiple fingers during touch interactions. This feature enables users to perform various functions, including shortcut shortcuts, peek and pop capabilities, and offers new functions such as new "Hey Siri" voice commands that can be activated even without connecting power.
New A9 processors inside the iPhone 6s have significantly faster CPU and GPU processing speeds, with a CPU frequency increase of 70% and a GPU graphic performance improvement of 90%. The processor is smaller by 13% and is primarily responsible for processing the data gathered by accelerators, gyroscopes, compass, and a new pressure sensor known as a PAM9.
The iSight camera on the iPhone 6s has been improved, increasing the number of sensors to 1200 million pixels, making it the largest single camera upgrade since the introduction of the original iPhone in 2007.
The pre-installed iOS 9 brings a more streamlined, faster, intuitive, and intelligent user experience with numerous new features. The improved 4G LTE-A network, a speed boost of up to 300 Mbps and support for 23 LTE bands, make the device much faster in terms of connectivity.
M9, a new motion协同处理器, keeps Siri always available, regardless of whether or not the device is connected to a charger. Live Photo mode allows users to save photos using dynamic viewings, taking advantage of before-and-after moments when capturing the image.
Overall, the iPhone 6s and 6s Plus are equipped with advanced technology, including improved RAM, enhanced Touch ID, updated processors, improved camera specifications, and an updated operating system, all designed to offer a superior user experience and enable the devices to handle modern-day computing demands effectively.