The Differences between "generations" of the iPhone.

Model comparison

This table highlights key differences between "generations" of the iPhone.

Model	iPhone	iPhone 3G	iPhone 3GS	iPhone 4	iPhone 4S	iPhone 5
Status	Discontinued	Discontinued	Discontinued	Available	Available	Available
Glass LCD display	89 mm (3.5 in), 3:2 aspect ratio					4 in, 16:9 aspect ratio
	480 × 320 px (HVGA) at 163 ppi			960 × 640 px at 326 ppi		1,136 × 640 px at 326 ppi
Storage	4, 8, or 16 GB	8 or 16 GB	8, 16, or 32 GB		16, 32, or 64 GB
CPU core	620 MHz (underclocked to 412 MHz) ARM 1176JZ(F)-S		833 MHz (underclocked to 600 MHz) ARM Cortex-A8	1 GHz (underclocked to 800 MHz) Apple A4	1 GHz (underclocked to 800 MHz) Dual-core Apple A5	1.3 GHz dual core Apple A6
GPU	PowerVR MBX Lite 3D (103 MHz)		PowerVR SGX535 (150 MHz)	PowerVR SGX535 (200 MHz)	PowerVR SGX543MP2	PowerVR SGX543MP3
Memory	128 MB DRAM		256 MB DRAM	512 MB DRAM		1GB DRAM
Cellular connectivity	GSM (850, 900, 1,800, 1,900 MHz)	GSM/EDGE (850, 900, 1,800, 1,900 MHz)		GSM/EDGE (850, 900, 1,800, 1,900 MHz) (GSM model only)	GSM/EDGE (850, 900, 1,800, 1,900 MHz)
	N/A	UMTS/HSDPA (850, 1,900, 2,100 MHz)		UMTS/HSDPA/HSUPA (850, 900, 1,900, 2,100 MHz) (GSM model only)	UMTS/HSDPA/HSUPA (850, 900, 1,900, 2,100 MHz)	UMTS/HSPA+/DC-HSDPA (850, 900, 1,900, 2,100 MHz)
		N/A		N/A	N/A	LTE (Bands 4 and 17) (American GSM model only)
						LTE (Bands 1, 3, 5) (International GSM model only)
						LTE (Bands 1, 3, 5, 13, 25) (CDMA model only)
				CDMA EV-DO Rev. A (800, 1,900 MHz) (CDMA model only)	CDMA EV-DO Rev. A (800, 1,900 MHz)	CDMA EV-DO Rev. A and Rev. B (800, 1,900, 2,100 MHz) (CDMA model only)
New features	USB 2.0/dock connector, earphones with mic and button	Assisted GPS,	Voice control, digital compass (magnetometer), Nike+, camera tap to focus (iOS 4.0+), volume controls on earphones	3-axis gyroscope, dual-microphone noise suppression, micro-SIM, rear camera LED flash	Siri (beta) voice assistant, GLONASS support	Larger screen, 4G LTE, Lightning connector, nano-SIM, Apple EarPods
Camera	2.0 Megapixel, f/2.8 Still images only		3.0 Megapixel, f/2.8 VGA video at 30 frame/s	Rear: 5.0 Megapixel, f/2.8 720p HD video at 30 frame/s	Rear: 8.0 Megapixel, f/2.4 1080p Full HD video at 30 frame/s
				Front: 0.3 Megapixel (VGA) 480p VGA video at 30 frame/s		Front: 1.2 Megapixel 720p HD video at 30 frame/s
Materials	Aluminum, glass and black plastic	Glass, plastic, and steel; black or white (white not available for 8 GB models)		Black or white aluminosilicate glass and stainless steel		Black or white glass and "slate" or "silver" colored aluminum
Dimensions	115.0 mm (4.53 in) H 61.0 mm (2.40 in) W 11.6 mm (0.46 in) D	115.5 mm (4.55 in) H 62.1 mm (2.44 in) W 12.3 mm (0.48 in) D		115.2 mm (4.54 in) H 58.66 mm (2.309 in) W 9.3 mm (0.37 in) D		123.8 mm (4.87 in) H 58.6 mm (2.31 in) W 7.6 mm (0.30 in) D
Weight	135 g (4.8 oz)	133 g (4.7 oz)	135 g (4.8 oz)	137 g (4.8 oz)	140 g (4.9 oz)	112 g (3.95 oz)
Power	Built-in, non removable, rechargeable lithium-ion polymer battery
Announced	January 9, 2007	June 9, 2008	June 8, 2009	June 7, 2010	October 4, 2011	September 12, 2012
Released	4 and 8 GB: June 29, 2007 16 GB: February 5, 2008	July 11, 2008	16 and 32 GB: June 19, 2009 Black 8 GB: June 24, 2010	GSM (Black): June 24, 2010 CDMA (Black): February 10, 2011 White: April 28, 2011 8 GB: October 4, 2011 (Available from Oct 14, 2011)	October 14, 2011	September 21, 2012
Discontinued	4 GB: September 5, 2007 8 and 16 GB: July 11, 2008	16 GB: June 8, 2009 Black 8 GB: June 4, 2010	16 and 32 GB: June 24, 2010 Black 8 GB: September 12, 2012	16 and 32 GB (unlocked only): October 4, 2011 Black and White 8 GB: In production	32 and 64 GB : September 12, 2012 Black and White 16 GB: In production	In production
Model	iPhone	iPhone 3G	iPhone 3GS	iPhone 4	iPhone 4S	iPhone 5