Slightly bigger than the iPhone 6 Plus , the iPhone 6S Plus is the largest iPhone to date. It also weighs 0.7 oz. more than the 6S Plus.

Apple also added a new color, rose gold, to the gold, silver, and space gray finishes available for the iPhone 6 and 6 Plus.

The screen is now pressure sensitive like Apple Watch (Apple calls this 3D Touch).

Specs (via Low End Mac)

• Announced: 2015.09.09, preorder 2015.09.12, purchase 2015.09.25 at $299 (16 GB), $399 (64 GB), and $499 (128 GB) with a two-year wireless contract. ($749, $849, and $949 respectively without contract.)
• Cpu: 1.6 GHz 64-bit triple-core Apple A9 (assumed)
• Ram: 2 GB (assumed)
• Video: up to 14 hours
• Display: 5.5″ 1080 x 1920 pixel 24-bit multitouch screen at 401 ppi
• Code Names: n66ap, n66map
• Weight: 6.77 oz. (192 g)
• Dimensions: 6.23″ x 3.07″ x 0.29″ (158.2 x 77.9 x 7.3 mm)
• Included Accessories: earbuds, lightning cable
• Identifier: iPhone8,2
• Model Number: A1633/A1634, A1688/1687
• Architecture: 64-bit
• Graphics Engine: 3-core PowerVR SX6450
• Cameras Rear: 12.0 MP autofocus with True Tone LED flash, 4k video front: 5.0 MP FaceTime HD camera includes 720p video
• Rear: 12.0 MP autofocus with True Tone LED flash, 4k video
• Front: 5.0 MP FaceTime HD camera includes 720p video
• Sensors: proximity, ambient light, 3-axis gyroscope, accelerometer, assisted GPS, compass, Nike+iPod
• I/O Port: Lightning
• Wifi: 802.11b/g/n/ac
• Bluetooth: 4.2
• A1633/1634 Gsm: UMTS/HSDPA+/DC-HSDPA (850, 900, 1700/2100, 1900, 2100 MHz), GSM/EDGE (850, 900, 1800, 1900 MHz), LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30), TD-LTE (Bands 38, 39, 40, 41), TD-SCDMA 1900 (F), 2000 (A)
• A1688/1687 Cdma: CDMA EV-DO Rev. A and B (800, 1700/2100, 1900, 2100 MHz), UMTS/HSDPA+/CD-HSDPA (850, 900, 1900, 2100 MHz), GSM/EDGE (850, 900, 1800, 1900 MHz), LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29), TD-LTE (Bands 38, 39, 40, 41), TD-SCDMA 1900 (F), 2000 (A)
• Battery: 2915 mAh lithium ion
• Battery Life: Talk: up to 24 hours on 3G Standby: up to 384 hours Internet: up to 12 hours on 3G, LTE, or WiFi Video: up to 14 hours Audio: up to 80 hours
• Talk: up to 24 hours on 3G
• Standby: up to 384 hours
• Internet: up to 12 hours on 3G, LTE, or WiFi
• Audio: up to 80 hours
• Original Os: iOS 9
• Maximum Os: current
• Itunes Versions: iTunes 12.3 and later.
• Mac Os Required: OS X 10.7.5 or later
• Windows Versions Supported: Windows 7 or later