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Phone	Samsung SGH-X640	Alcatel Pop Star	Motorola V878	Coolpad Quattro 4G	Motorola Quantico V840 / W845
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	?	4" diag. 5 : 3	2.2" diag. 4 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	800 mAh	2,000 mAh	?	1,600 mAh	1,170 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 400 (MSM8926)	?	?	?
RAM	?	1 GB	?	?	?
Storage	? raw hardware	4 GB	? raw hardware	512 MB	? raw hardware
Main Camera	Yes	5 megapixel	Yes	3 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	?	VGA (640 x 480)	QCIF (176 x 144)
Front Camera	-	Yes	-	Yes	-
Weight	3 oz (85g)	4.6 oz (130g)	2.82 oz (80g)	3.31 oz (94g)	4.2 oz (119g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.84" x 2.5" x 0.38" (123 x 64 x 9.7 mm)	3.23" x 1.65" x 0.85" (82 x 42 x 21.6 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)	3.84" x 2.08" x 1" (98 x 53 x 25.4 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Clamshell
Platform / OS	(proprietary)	Android	(proprietary)	Android	(proprietary)
Network Bands	GSM: 900, 1800, 1900	4G LTE: 4, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900	CDMA: 850, 1900 *
Data Technology	GPRS	LTE (Cat 3)	GPRS	LTE (Cat 3)	EVDO r0
Features
Flashlight	-	Yes	-	-	-
GPS / Location	-	n/a	-	n/a	Yes
Ruggedized	-	-	-	-	Yes
Accessibility
Adjustable Text Size	-	n/a	-	n/a	-
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	Yes
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	-
USB	-	Yes Micro-USB	Yes	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes	-
Contacts
Picture ID	Yes	n/a	Yes	n/a	Yes
Ringer ID	Yes	n/a	Yes	n/a	Yes
Voice Dialing	-	n/a	Yes	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	-	n/a	-	n/a	Yes
Data & Network
Data Tethering	-	n/a	Yes	n/a	Yes
WAP / Web Browser	Yes	n/a	Yes	n/a	Yes *
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	-	n/a	-	n/a	Yes *
EMS / Picture Messaging	Yes	n/a	Yes	n/a	-
Instant Messaging	-	n/a	-	n/a	-
MMS	Yes	n/a	Yes	n/a	Yes
Text Messaging Templates	Yes	n/a	-	n/a	Yes
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	-	n/a	-	n/a	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	Yes	n/a	-	n/a	-
Voice Memo	Yes	n/a	Yes	n/a	Yes
Software
BREW	-	n/a	-	n/a	Yes
Games	Yes	n/a	Yes	n/a	Yes
Java (J2ME)	Yes	n/a	Yes	n/a	-
Voice
Headset Jack (2.5 mm)	Yes	n/a	-	n/a	Yes
Push-To-Talk	-	-	-	-	Yes *
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Alcatel Pop Star	Motorola V878	Coolpad Quattro 4G	Motorola Quantico V840 / W845
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Alcatel Pop Star	Motorola V878	Coolpad Quattro 4G	Motorola Quantico V840 / W845