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Phone	Sharp GX-10 / GX-10i	LG K4 / Optimus Zone 3 / Rebel	Palm Treo 650 (CDMA)	Samsung Array / Montage	Samsung Galaxy Core Prime (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Not yet released	Released	Released	Released	Released
Display Size	?	4.5" diag. 16 : 9	?	2.4" diag. 4 : 3	4.5" diag. 5 : 3
Display Resolution & Type	120 x 160 pixels LCD (TFT/TFD)	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~207 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	720 mAh	1,940 mAh	?	1,000 mAh	2,000 mAh
Processor	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	312 MHz Intel XScale PXA270	480 MHz Qualcomm QSC6155	1.2 GHz Qualcomm Snapdragon 410 MSM8916
RAM	?	1.5 GB	?	128 MB	1 GB
Storage	? raw hardware	16 GB *	? raw hardware	256 MB	8 GB
Main Camera	Yes	5 megapixel	Yes	2 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	QVGA (320 x 240)	QCIF (176 x 144)	720p HD
Front Camera	-	2 megapixel	-	-	2 megapixel
Weight	3.88 oz (110g)	3.99 oz (113g)	6.3 oz (179g)	4.14 oz (117g)	4.27 oz (121g)
Dimensions	3.7" x 1.93" x 1.06" (94 x 49 x 26.9 mm)	5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.41" x 2.12" x 0.59" (112 x 54 x 15 mm)	5.16" x 2.68" x 0.35" (131 x 68 x 8.9 mm)
Form Factor	Clamshell	Slab	Slab	Slide	Slab
Platform / OS	(proprietary)	Android	Palm OS	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 13 WCDMA: 1, 2, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	CDMA: 800, 850, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	LTE (Cat 3)	1xRTT	1xRTT	LTE (Cat 3)
Features
Flashlight	-	Yes	-	-	Yes
GPS / Location	-	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	Yes	-	-
Mobile Hotspot	-	n/a	n/a	-	n/a
USB	-	Yes Micro-USB	-	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	-	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	-	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	Yes	-
Touch Screen	-	Yes Capacitive	Yes	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	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
Miracast	-	Yes	-	-	-
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	-	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	-	n/a	n/a	Yes	n/a
Voice
HD Voice	-	Yes *	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	n/a	-	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Sharp GX-10 / GX-10i	LG K4 / Optimus Zone 3 / Rebel	Palm Treo 650 (CDMA)	Samsung Array / Montage	Samsung Galaxy Core Prime (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	Sharp GX-10 / GX-10i	LG K4 / Optimus Zone 3 / Rebel	Palm Treo 650 (CDMA)	Samsung Array / Montage	Samsung Galaxy Core Prime (GSM)