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Phone	Motorola Rival A455	Palm Treo 600 (CDMA)	Samsung SGH-E640	LG K4 / Optimus Zone 3 / Rebel	Motorola A845
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	?	?	4.5" diag. 16 : 9	?
Display Resolution & Type	176 x 220 pixels (~131 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	176 x 220 pixels LCD (TFT/TFD)	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	940 mAh	?	800 mAh	1,940 mAh	?
Processor	?	?	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?
RAM	?	?	?	1.5 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	16 GB *	? raw hardware
Main Camera	2 megapixel	Yes	1 megapixel	5 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	-	QCIF (176 x 144)	720p HD	?
Front Camera	-	-	-	2 megapixel	Yes
Weight	4.48 oz (127g)	6.2 oz (176g)	3.17 oz (90g)	3.99 oz (113g)	5.47 oz (155g)
Dimensions	3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm)	5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm)	5.4" x 2.2" x 1" (137 x 56 x 25.4 mm)
Form Factor	Slide	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Palm OS	(proprietary)	Android	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 13 WCDMA: 1, 2, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *	WCDMA: 2 GSM: 850, 1800, 1900
Data Technology	EVDO r0	1xRTT	GPRS	LTE (Cat 3)	WCDMA (UMTS)
Features
Flashlight	-	-	-	Yes	-
GPS / Location	Yes	n/a	-	n/a	Yes
Accessibility
Adjustable Text Size	-	n/a	-	n/a	-
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	-	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	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	-
USB	Yes Micro-USB	Yes	Yes	Yes Micro-USB	Yes
Wi-Fi	-	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	n/a	Yes	n/a	Yes
Ringer ID	Yes	n/a	Yes	n/a	Yes
Voice Dialing	Yes	n/a	-	n/a	Yes
Customization
Custom Graphics	Yes	n/a	Yes	n/a	Yes
Custom Ringtones	Yes	n/a	Yes	n/a	Yes
Real-Music Ringers	Yes	n/a	Yes	n/a	Yes
Data & Network
Data Tethering	Yes	n/a	-	n/a	Yes
WAP / Web Browser	Yes	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	-	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	Yes	-	-	-
Touch Screen	Yes	Yes	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	-	Yes	-
Messaging
Email Client	Yes	n/a	Yes	n/a	Yes
EMS / Picture Messaging	Yes	n/a	Yes	n/a	Yes
Instant Messaging	Yes	n/a	-	n/a	Yes
MMS	Yes	n/a	Yes	n/a	Yes
Text Messaging Templates	Yes	n/a	Yes	n/a	-
Music
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	Yes	n/a	Yes	n/a	Yes
Photo & Video
Miracast	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	Yes	n/a	Yes
Calculator	Yes	n/a	Yes	n/a	Yes
Calendar	Yes	n/a	Yes	n/a	Yes
To-Do List	-	n/a	Yes	n/a	-
Voice Memo	Yes	n/a	Yes	n/a	Yes
Software
BREW	Yes	n/a	-	n/a	-
Games	Yes	n/a	Yes	n/a	Yes
Java (J2ME)	-	n/a	Yes	n/a	Yes
Voice
HD Voice	-	-	-	Yes *	-
Headset Jack (2.5 mm)	-	n/a	-	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola Rival A455	Palm Treo 600 (CDMA)	Samsung SGH-E640	LG K4 / Optimus Zone 3 / Rebel	Motorola A845
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Rival A455	Palm Treo 600 (CDMA)	Samsung SGH-E640	LG K4 / Optimus Zone 3 / Rebel	Motorola A845