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Phone	Samsung SGH-E640	LG CP150	Samsung SCH-A610	HTC EVO Design 4G / Hero S (CDMA)	LG K4 / Optimus Zone 3 / Rebel
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	1.5" diag. 1 : 1	?	4" diag. 16 : 9	4.5" diag. 16 : 9
Display Resolution & Type	176 x 220 pixels LCD (TFT/TFD)	128 x 128 pixels (~121 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	800 mAh	800 mAh	1,300 mAh	1,520 mAh	1,940 mAh
Processor	?	?	?	1.2 GHz Qualcomm Snapdragon S2 MSM8655	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	?	?	?	768 MB	1.5 GB
Storage	? raw hardware	? raw hardware	? raw hardware	4 GB	16 GB *
Main Camera	1 megapixel	-	Yes	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	-	-	720p HD	720p HD
Front Camera	-	-	-	1 megapixel	2 megapixel
Weight	3.17 oz (90g)	2.86 oz (81g)	4.23 oz (120g)	5.22 oz (148g)	3.99 oz (113g)
Dimensions	3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm)	3.46" x 1.85" x 0.74" (88 x 47 x 18.8 mm)	3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm)
Form Factor	Clamshell	Clamshell	Clamshell	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	(proprietary)	Android	Android
Network Bands	GSM: 900, 1800, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	4G LTE: 2, 4, 5, 13 WCDMA: 1, 2, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *
Data Technology	GPRS	GPRS	1xRTT	WiMAX	LTE (Cat 3)
Features
Flashlight	-	-	-	Yes	Yes
GPS / Location	-	-	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	-	-	n/a	n/a
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	-	Yes	Yes
Mobile Hotspot	-	-	-	n/a	n/a
USB	Yes	-	-	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	Yes	Yes	Yes	n/a	n/a
Ringer ID	Yes	Yes	Yes	n/a	n/a
Voice Dialing	-	-	Yes	n/a	n/a
Customization
Custom Graphics	Yes	Yes	Yes	n/a	n/a
Custom Ringtones	Yes	Yes	Yes	n/a	n/a
Real-Music Ringers	Yes	Yes	-	n/a	n/a
Data & Network
Data Tethering	-	-	Yes	n/a	n/a
WAP / Web Browser	Yes	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	-	-	Yes	Yes
Messaging
Email Client	Yes	-	-	n/a	n/a
EMS / Picture Messaging	Yes	-	Yes	n/a	n/a
Instant Messaging	-	Yes	-	n/a	n/a
MMS	Yes	Yes	Yes	n/a	n/a
Text Messaging Templates	Yes	Yes	Yes	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	Yes	-	-	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
Miracast	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	Yes	n/a	n/a
Calculator	Yes	Yes	Yes	n/a	n/a
Calendar	Yes	Yes	Yes	n/a	n/a
To-Do List	Yes	Yes	Yes	n/a	n/a
Voice Memo	Yes	Yes	Yes	n/a	n/a
Software
BREW	-	-	Yes	n/a	n/a
Games	Yes	Yes	Yes	n/a	n/a
Java (J2ME)	Yes	-	-	n/a	n/a
Voice
HD Voice	-	-	-	-	Yes *
Headset Jack (2.5 mm)	-	-	Yes	n/a	n/a
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	Samsung SGH-E640	LG CP150	Samsung SCH-A610	HTC EVO Design 4G / Hero S (CDMA)	LG K4 / Optimus Zone 3 / Rebel
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-E640	LG CP150	Samsung SCH-A610	HTC EVO Design 4G / Hero S (CDMA)	LG K4 / Optimus Zone 3 / Rebel