Apple - iPhone - Compare

	iPhone 4S	iPhone 4	iPhone 3GS
	Dual-core A5 chip	A4 chip
Colour	Black White	Black White	Black
Weight and Dimensions¹	Height: 115.2 mm (4.5 inches) Width: 58.6 mm (2.31 inches) Depth: 9.3 mm (0.37 inch) Weight: 140 grams (4.9 ounces)	Height: 115.2 mm (4.5 inches) Width: 58.6 mm (2.31 inches) Depth: 9.3 mm (0.37 inch) Weight: 137 grams (4.8 ounces)	Height: 115.5 mm (4.5 inches) Width: 62.1 mm (2.4 inches) Depth: 12.3 mm (0.48 inch) Weight: 135 grams (4.8 ounces)
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	3 megapixels Autofocus Tap to focus - - - -
Video Recording	Improved HD video recording 1080p 30 fps Tap to focus while recording LED light Video stabilisation	HD video recording 720p 30 fps Tap to focus while recording LED light -	VGA video recording 480p 30 fps Tap to focus while recording - -
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	- 480-by-320 resolution 163 ppi Multi-Touch
Cellular and Wireless²	UMTS/HSDPA/HSUPA GSM/EDGE CDMA EV-DO Rev. A 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	UMTS/HSDPA GSM/EDGE - Wi-Fi 802.11b/g 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	Talk time: Up to 5 hours on 3G Up to 12 hours on 2G (GSM) Standby time: Up to 300 hours
Price⁴	S$948 16GB S$1,088 32GB S$1,238 64GB Buy iPhone 4S	S$788 8GB Buy iPhone 4	S$548 8GB Buy iPhone 3GS

Actual size and weight vary by configuration and manufacturing process.
CDMA only available if iPhone 4S is sold and activated for use on a CDMA network.
All battery claims depend on network configuration and many other factors; actual results will vary. Rechargeable batteries have a limited number of charge cycles and may eventually need to be replaced by an Apple service provider. See www.apple.com/sg/batteries for more information. For more details of iPhone performance tests for talk time, standby time, Internet use over 3G, Internet use over Wi-Fi, video playback and audio playback, see www.apple.com/sg/iphone/battery.html.
Requires new two-year wireless service contract; sold separately to qualified customers. Credit check required; must be 18 or older. Wireless service is provided by and is the sole responsibility of your wireless service provider. Wireless service and some wireless features are not available in all areas. Some features may require added fees. When available, transferring your mobile number to a different service provider will terminate your service with your existing provider; termination fees and other charges may apply. The iPhone model you purchase is subject to your wireless service provider's policies, which may include restrictions on switching service providers and roaming, even after conclusion of any required minimum service contract. Contact your wireless service provider for more details. Availability of cellular capabilities depends on the wireless network. Service may not be available in all areas or at the signal strength, rates, speeds or bandwidth as demonstrated. Customers who want to upgrade from another phone or replace a previous-generation iPhone should check with their wireless service provider for pricing options. For those who are not qualified customers, are not eligible for an early upgrade, are purchasing an unlocked iPhone (for supported GSM wireless service provider networks only), or wish to buy an iPhone as a gift, see your carrier, an Apple Retail Store Specialist, the Apple Online Store or an Apple Authorised Reseller for pricing. Wi-Fi Internet access is required for some features; wireless broadband is recommended; fees may apply. Use constitutes acceptance of Apple’s software licence agreement, warranty and third-party terms located in the iPhone box. Warranty information is also available at www.apple.com/legal/warranty/iphone. Unauthorised modification of your iPhone software violates the software licence agreement. Inability to use an iPhone due to unauthorised modifications is not covered under your warranty.

Some features, applications and services are not available in all areas. See your carrier for details. Application availability and pricing are subject to change.