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Phone	Apple iPhone 4 (GSM)	Samsung Galaxy S II / SGH-i777	Motorola Admiral	Motorola i830 / i833 / i835 / i836	Motorola Defy (2010)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	4.3" diag. 5 : 3	3.1" diag. 4 : 3	?	3.6" diag. 16 : 9
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	480 x 640 pixels (~258 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (TFT/TFD)	480 x 854 pixels (~272 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	60 Hz	?	60 Hz
Battery	?	1,650 mAh	1,860 mAh	?	1,540 mAh
Processor	Apple A4	1.2 GHz Samsung Exynos dual-core	1.2 GHz Qualcomm Snapdragon S2 MSM8655	?	800 MHz TI OMAP3610
RAM	?	?	512 MB	?	?
Storage	32 GB *	16 GB	4 GB	? raw hardware	? raw hardware
Main Camera	5 megapixel	8 megapixel	5 megapixel	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	1080p HD	720p HD	-	?
Front Camera	Yes	2 megapixel	-	-	-
Weight	4.8 oz (136g)	4.3 oz (122g)	4.71 oz (134g)	3.94 oz (112g)	4.16 oz (118g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm)	4.68" x 2.44" x 0.48" (119 x 62 x 12.2 mm)	3.35" x 1.77" x 0.79" (85 x 45 x 20.1 mm)	4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	iOS	Android	Android	(proprietary)	Android
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 800, 850, 1900	iDEN: 800	WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSPA 7.2	HSPA+ 21	EVDO rA	-	HSPA 7.2
Features
GPS / Location	n/a	n/a	n/a	Yes	n/a
Ruggedized	-	-	Yes	-	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Mobile Hotspot	n/a	n/a	n/a	-	n/a
NFC	-	Yes	-	-	-
USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	n/a	Yes	n/a
Ringer ID	n/a	n/a	n/a	Yes	n/a
Voice Dialing	n/a	n/a	n/a	Yes	n/a
Customization
Custom Graphics	n/a	n/a	n/a	Yes	n/a
Custom Ringtones	n/a	n/a	n/a	Yes	n/a
Real-Music Ringers	n/a	n/a	n/a	-	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	Yes Capacitive	Yes Capacitive	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	-	n/a
Instant Messaging	n/a	n/a	n/a	-	n/a
MMS	n/a	n/a	n/a	Yes	n/a
Text Messaging Templates	n/a	n/a	n/a	-	n/a
Music
FM Radio	-	-	Yes	-	Yes
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	Yes
Music Player	n/a	n/a	n/a	-	n/a
Photo & Video
DLNA	-	Yes	Yes	-	Yes
TV Output	Yes	Yes	-	-	-
Productivity
Alarm	n/a	n/a	n/a	-	n/a
Calculator	n/a	n/a	n/a	-	n/a
Calendar	n/a	n/a	n/a	Yes	n/a
To-Do List	n/a	n/a	n/a	-	n/a
Voice Memo	n/a	n/a	n/a	Yes	n/a
Software
Games	n/a	n/a	n/a	Yes	n/a
Java (J2ME)	n/a	n/a	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	n/a
Push-To-Talk	-	-	Yes	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Apple iPhone 4 (GSM)	Samsung Galaxy S II / SGH-i777	Motorola Admiral	Motorola i830 / i833 / i835 / i836	Motorola Defy (2010)
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Apple iPhone 4 (GSM)	Samsung Galaxy S II / SGH-i777	Motorola Admiral	Motorola i830 / i833 / i835 / i836	Motorola Defy (2010)