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Phone	Samsung SGH-X640	Coolpad Defiant	Samsung Galaxy Core Prime (GSM)	Motorola RAZR V3c	NEC 535M
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	?	5" diag. 16 : 9	4.5" diag. 5 : 3	?	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	480 x 800 pixels (~207 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	800 mAh	2,450 mAh	2,000 mAh	740 mAh	720 mAh
Processor	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	1.2 GHz Qualcomm Snapdragon 410 MSM8916	?	?
RAM	?	1 GB	1 GB	?	?
Storage	? raw hardware	8 GB	8 GB	? raw hardware	? raw hardware
Main Camera	Yes	5 megapixel	5 megapixel	1 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	720p HD	?	QCIF (176 x 144)
Front Camera	-	2 megapixel	2 megapixel	-	-
Weight	3 oz (85g)	6.5 oz (184g)	4.27 oz (121g)	3.49 oz (99g)	4.16 oz (118g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)	5.16" x 2.68" x 0.35" (131 x 68 x 8.9 mm)	3.9" x 2.1" x 0.6" (99 x 53 x 15.2 mm)	3.98" x 1.93" x 1.02" (101 x 49 x 25.9 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Clamshell
Platform / OS	(proprietary)	Android	Android	(proprietary)	(proprietary)
Network Bands	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	GSM: 850, 1800, 1900
Data Technology	GPRS	LTE (Cat 4)	LTE (Cat 3)	EVDO r0	GPRS
Features
Flashlight	-	Yes	Yes	-	Yes
GPS / Location	-	n/a	n/a	Yes	-
Accessibility
Adjustable Text Size	-	n/a	n/a	-	-
Hearing Aid Compatible	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-
Multiple Languages	Yes	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	Yes
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	-
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	-	n/a	n/a	-	-
USB	-	Yes Micro-USB	Yes Micro-USB	Yes Mini-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	Yes	n/a	n/a	Yes	Yes
Ringer ID	Yes	n/a	n/a	Yes	Yes
Voice Dialing	-	n/a	n/a	Yes	Yes
Customization
Custom Graphics	Yes	n/a	n/a	Yes	Yes
Custom Ringtones	Yes	n/a	n/a	Yes	Yes
Real-Music Ringers	-	n/a	n/a	Yes	-
Data & Network
Data Tethering	-	n/a	n/a	Yes	Yes
WAP / Web Browser	Yes	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	-
Memory
Memory Card Slot	-	Yes	Yes	-	-
Messaging
Email Client	-	n/a	n/a	-	Yes
EMS / Picture Messaging	Yes	n/a	n/a	Yes	-
Instant Messaging	-	n/a	n/a	-	-
MMS	Yes	n/a	n/a	Yes	Yes
Text Messaging Templates	Yes	n/a	n/a	Yes	-
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	-	n/a	n/a	-	-
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	Yes
Calculator	Yes	n/a	n/a	Yes	Yes
Calendar	Yes	n/a	n/a	Yes	Yes
To-Do List	Yes	n/a	n/a	-	Yes
Voice Memo	Yes	n/a	n/a	Yes	Yes
Software
BREW	-	n/a	n/a	Yes	-
Games	Yes	n/a	n/a	Yes	Yes
Java (J2ME)	Yes	n/a	n/a	-	Yes
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	Yes	n/a	n/a	-	-
Speaker Phone	Yes	Yes	Yes	Yes	-
	Samsung SGH-X640	Coolpad Defiant	Samsung Galaxy Core Prime (GSM)	Motorola RAZR V3c	NEC 535M
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Coolpad Defiant	Samsung Galaxy Core Prime (GSM)	Motorola RAZR V3c	NEC 535M