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Phone	Casio G'zOne Boulder	LG Optimus T	Samsung Galaxy S 4 (GSM)	Apple iPhone 4 (GSM)	Samsung SPH-N270 (Matrix Phone)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2" diag. 4 : 3	3.2" diag. 5 : 3	5" diag. 16 : 9	3.5" diag. 5 : 3	?
Display Resolution & Type	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~441 ppi) AMOLED	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	60 Hz	?
Battery	810 mAh	1,500 mAh	2,600 mAh	?	1,000 mAh
Processor	?	Qualcomm S1 MSM7227	1.9 GHz Qualcomm Snapdragon 600 8064T	Apple A4	?
RAM	?	?	2 GB	?	?
Storage	? raw hardware	? raw hardware	16 GB *	32 GB *	? raw hardware
Main Camera	1 megapixel	3 megapixel	13 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	VGA (640 x 480)	1080p HD	720p HD	-
Front Camera	-	-	2 megapixel	Yes	-
Weight	4.9 oz (139g)	4.48 oz (127g)	4.59 oz (130g)	4.8 oz (136g)	4.66 oz (132g)
Dimensions	3.9" x 2" x 0.9" (99 x 51 x 22.9 mm)	4.46" x 2.32" x 0.52" (113 x 59 x 13.2 mm)	5.38" x 2.75" x 0.31" (137 x 70 x 7.9 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slide
Platform / OS	(proprietary)	Android	Android	iOS	(proprietary)
Network Bands	CDMA: 850, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	EVDO rA	HSPA 7.2	LTE (Cat 3)	HSPA 7.2	-
Features
Flashlight	Yes	-	Yes	-	-
GPS / Location	Yes	n/a	n/a	n/a	Yes
Ruggedized	Yes	-	-	-	-
Water-Resistant	Yes	-	-	-	-
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	-
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	-	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	n/a	n/a	n/a	-
NFC	-	-	Yes	-	-
USB	Yes	Yes Micro-USB	Yes	Yes	-
Wi-Fi	-	Yes 802.11 b,g	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	Yes	n/a	n/a	n/a	Yes
Customization
Changeable Body Plates	Yes	-	-	-	-
Custom Graphics	Yes	n/a	n/a	n/a	-
Custom Ringtones	Yes	n/a	n/a	n/a	-
Real-Music Ringers	-	n/a	n/a	n/a	-
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	-
WAP / Web Browser	Yes	n/a	n/a	n/a	-
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	-	n/a	n/a	n/a	-
EMS / Picture Messaging	Yes	n/a	n/a	n/a	-
Instant Messaging	-	n/a	n/a	n/a	-
MMS	Yes	n/a	n/a	n/a	-
Text Messaging Templates	Yes	n/a	n/a	n/a	-
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	Yes	n/a	n/a	n/a	-
Photo & Video
DLNA	-	-	Yes	-	-
Miracast	-	-	Yes	-	-
TV Output	-	-	Yes	Yes	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	-	n/a	n/a	n/a	Yes
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
BREW	Yes	n/a	n/a	n/a	-
Games	Yes	n/a	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	n/a	Yes
Push-To-Talk	Yes	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Casio G'zOne Boulder	LG Optimus T	Samsung Galaxy S 4 (GSM)	Apple iPhone 4 (GSM)	Samsung SPH-N270 (Matrix Phone)
	X >	< X >	< X >	< X >	< X

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


Phone	Casio G'zOne Boulder	LG Optimus T	Samsung Galaxy S 4 (GSM)	Apple iPhone 4 (GSM)	Samsung SPH-N270 (Matrix Phone)