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Phone	Samsung Galaxy S II, Epic 4G Touch	Samsung Galaxy Rush	Motorola KRZR K1m	Kyocera Energi K490 / K493 / K494	Apple iPhone 4 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 5 : 3	3.5" diag. 5 : 3	?	?	3.5" diag. 5 : 3
Display Resolution & Type	480 x 800 pixels (~206 ppi) AMOLED	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	104 x 80 pixels LCD (STN)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	?	?	60 Hz
Battery	1,800 mAh	1,750 mAh	880 mAh	?	?
Processor	1.2 GHz Samsung Exynos C210 dual-core	1 GHz Qualcomm MSM8655	?	?	?
RAM	?	768 MB	?	?	?
Storage	16 GB	4 GB	? raw hardware	? raw hardware	8 GB *
Main Camera	8 megapixel	3 megapixel	1 megapixel	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	VGA (640 x 480)	?	-	720p HD
Front Camera	2 megapixel	1 megapixel	-	-	Yes
Weight	4.55 oz (129g)	4.2 oz (119g)	3.63 oz (103g)	3.52 oz (100g)	4.8 oz (136g)
Dimensions	5.1" x 2.7" x 0.38" (130 x 69 x 9.6 mm)	4.84" x 2.36" x 0.47" (123 x 60 x 11.9 mm)	4.06" x 1.73" x 0.67" (103 x 44 x 17 mm)	4.45" x 1.89" x 0.91" (113 x 48 x 23.1 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	Android	Android	(proprietary)	(proprietary)	iOS
Network Bands	4G WiMAX: 41 CDMA: 800, 850, 1900 *	CDMA: 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850 *	CDMA: 850, 1900
Data Technology	WiMAX	EVDO rA	EVDO r0	1xRTT	EVDO rA
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	n/a	Yes	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	-	n/a
Hearing Aid Compatible	Yes	Yes	Yes	-	Yes
Multiple Languages	n/a	n/a	Yes	Yes *	n/a
TTY/TDD (Digital)	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
USB	Yes Micro-USB	Yes	Yes Mini-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 a,b,g,n)	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	Yes	-	n/a
Ringer ID	n/a	n/a	Yes	Yes	n/a
Voice Dialing	n/a	n/a	Yes	Yes	n/a
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	n/a	n/a	Yes	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	-	-	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	Yes	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	-	Yes
Touch Screen	Yes	Yes	-	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	n/a	n/a	-	-	n/a
EMS / Picture Messaging	n/a	n/a	Yes	Yes	n/a
Instant Messaging	n/a	n/a	Yes *	-	n/a
MMS	n/a	n/a	Yes	-	n/a
Text Messaging Templates	n/a	n/a	Yes	-	n/a
Music
Headphone Jack (3.5mm)	Yes	Yes	-	-	Yes
Music Player	n/a	n/a	Yes	-	n/a
Photo & Video
DLNA	Yes	-	-	-	-
TV Output	Yes	-	-	-	Yes
Video Calling	n/a	n/a	-	-	n/a
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	Yes	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	-	-	n/a
Voice Memo	n/a	n/a	Yes	-	n/a
Software
BREW	n/a	n/a	Yes *	Yes	n/a
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	Yes *	-	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	-	Yes	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Samsung Galaxy S II, Epic 4G Touch	Samsung Galaxy Rush	Motorola KRZR K1m	Kyocera Energi K490 / K493 / K494	Apple iPhone 4 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Galaxy S II, Epic 4G Touch	Samsung Galaxy Rush	Motorola KRZR K1m	Kyocera Energi K490 / K493 / K494	Apple iPhone 4 (CDMA)