IPhone 4S vs. IPhone 4

IPhone 4S vs. IPhone 4

Dual-core A5 chip

A4 chip

Weight and Dimensions1	Height: 4.5 inches (115.2 mm) Width: 2.31 inches (58.6 mm) Depth: 0.37 inch (9.3 mm) Weight: 4.9 ounces (140 grams)	Height: 4.5 inches (115.2 mm)  Width: 2.31 inches (58.6 mm)  Depth: 0.37 inch (9.3 mm)  Weight: 4.8 ounces (137 grams)

Built-in Assistant	Siri Use your voice to send messages, set reminders, and more.

Camera	8 megapixels Autofocus Tap to focus LED flash Backside illumination sensor Five-element lens Face detection Front camera with VGA resolution	5 megapixels Autofocus Tap to focus LED flash Backside illumination sensor Four-element lens - Front camera with VGA resolution

Video Recording	Improved HD video recording 1080p 30 fps Tap to focus while recording LED light Video stabilization	HD video recording 720p 30 fps Tap to focus while recording LED light -

Video Calling	FaceTime (iPhone 4S to any FaceTime-enabled device over Wi-Fi)	FaceTime (iPhone 4 to any FaceTime-enabled device over Wi-Fi)

Display	High-resolution Retina display 960-by-640 resolution 326 ppi Multi-Touch	High-resolution Retina display 960-by-640 resolution 326 ppi Multi-Touch

Cellular and Wireless	UMTS/HSDPA/HSUPA GSM/EDGE CDMA EV-DO Rev. A2 Wi-Fi 802.11b/g/n Bluetooth 4.0	GSM model:       UMTS/HSDPA/HSUPA  GSM/EDGE  CDMA model: CDMA    EV-DO Rev. A  Wi-Fi 802.11b/g/n  Bluetooth 2.1 + EDR

Battery Life3	Talk time: Up to 8 hours on 3G Up to 14 hours on 2G (GSM) Standby time: Up to 200 hours	Talk time: Up to 7 hours on 3G Up to 14 hours on 2G (GSM) Standby time: Up to 300 hours

	Price4	$199 16GB $299 32GB $399 64GB	$99 8GB