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Phone	Samsung SGH-X640	Apple iPhone 4S	LG AX-490	Kyocera 3225	Samsung Droid Charge
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
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	? LCD (Grayscale)	480 x 800 pixels (~217 ppi) AMOLED
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	800 mAh	?	1,100 mAh	?	1,500 mAh
Processor	?	Apple A5	?	?	1 GHz Samsung Hummingbird
RAM	?	?	?	?	?
Storage	? raw hardware	64 GB *	? raw hardware	? raw hardware	? raw hardware
Main Camera	Yes	8 megapixel	Yes	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	-	-	720p HD
Front Camera	-	Yes	-	-	1 megapixel
Weight	3 oz (85g)	4.9 oz (139g)	3.79 oz (107g)	4.23 oz (120g)	5.06 oz (144g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	3.74" x 1.92" x 1" (95 x 49 x 25.4 mm)	3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm)	5.1" x 2.68" x 0.46" (130 x 68 x 11.7 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	iOS	(proprietary)	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900 AMPS: 850	4G LTE: 13 CDMA: 850, 1900
Data Technology	GPRS	HSPA 14.4	1xRTT	1xRTT	LTE (Cat 3)
Features
GPS / Location	-	n/a	Yes	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	-	-	n/a
Hearing Aid Compatible	-	Yes	Yes M3 (mostly compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	-	Yes
Mobile Hotspot	-	n/a	-	-	n/a
USB	-	Yes	Yes	-	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	-	n/a
Ringer ID	Yes	n/a	Yes	-	n/a
Voice Dialing	-	n/a	Yes	Yes	n/a
Customization
Custom Graphics	Yes	n/a	Yes	Yes	n/a
Custom Ringtones	Yes	n/a	Yes	Yes	n/a
Real-Music Ringers	-	n/a	Yes	-	n/a
Data & Network
Data Tethering	-	n/a	Yes	Yes	n/a
WAP / Web Browser	Yes	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	-	Yes	n/a
Side Keys	Yes	Yes	Yes	-	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes Capacitive	-	-	Yes Capacitive
Memory
Memory Card Slot	-	-	-	-	Yes
Messaging
Email Client	-	n/a	-	-	n/a
EMS / Picture Messaging	Yes	n/a	-	Yes	n/a
Instant Messaging	-	n/a	-	-	n/a
MMS	Yes	n/a	Yes	-	n/a
Text Messaging Templates	Yes	n/a	Yes	-	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	-	-	n/a
Stereo Speakers	-	-	Yes	-	-
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	Yes	-	-	Yes
Video Calling	-	n/a	-	-	n/a
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	Yes	n/a	Yes	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	Yes	n/a	-	-	n/a
Voice Memo	Yes	n/a	Yes	-	n/a
Software
BREW	-	n/a	Yes	Yes	n/a
Games	Yes	n/a	Yes	Yes	n/a
Java (J2ME)	Yes	n/a	-	-	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	Yes	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Apple iPhone 4S	LG AX-490	Kyocera 3225	Samsung Droid Charge
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Apple iPhone 4S	LG AX-490	Kyocera 3225	Samsung Droid Charge