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Specifications
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Phone	Samsung SGH-X640	Motorola i275	LG Premier Pro LTE	Motorola Defy (2010)	Coolpad Quattro 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	5.3" diag. 16 : 9	3.6" diag. 16 : 9	4" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	128 x 128 pixels LCD (Color)	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)	480 x 854 pixels (~272 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	60 Hz
Battery	800 mAh	750 mAh	2,880 mAh	1,540 mAh	1,600 mAh
Processor	?	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	800 MHz TI OMAP3610	?
RAM	?	?	2 GB	?	?
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	512 MB
Main Camera	Yes	Yes	8 megapixel	5 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	1080p HD	?	VGA (640 x 480)
Front Camera	-	-	5 megapixel	-	Yes
Weight	3 oz (85g)	4.6 oz (130g)	5.93 oz (168g)	4.16 oz (118g)	3.31 oz (94g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.8" x 1.93" x 0.98" (122 x 49 x 24.9 mm)	5.85" x 2.96" x 0.34" (149 x 75 x 8.6 mm)	4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Android	Android
Network Bands	GSM: 900, 1800, 1900	iDEN: 800	4G LTE: 2, 4, 5, 12, 13, 66 WCDMA: 2, 4, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900
Data Technology	GPRS	-	LTE (Cat 4)	HSPA 7.2	LTE (Cat 3)
Features
Flashlight	-	-	Yes	-	-
GPS / Location	-	Yes	n/a	n/a	n/a
Ruggedized	-	-	-	Yes	-
Accessibility
Hearing Aid Compatible	-	-	Yes	-	Yes
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	-	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	Yes
Contacts
Picture ID	Yes	-	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	-	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	-	Yes	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	Yes	Yes	Yes
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	-	n/a	n/a	n/a
EMS / Picture Messaging	Yes	-	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	Yes	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	Yes	Yes	-
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	-	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
Productivity
Alarm	Yes	-	n/a	n/a	n/a
Calculator	Yes	-	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	Yes	-	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	Yes	n/a	n/a	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	Yes	Yes	n/a	n/a	n/a
Push-To-Talk	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Motorola i275	LG Premier Pro LTE	Motorola Defy (2010)	Coolpad Quattro 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Motorola i275	LG Premier Pro LTE	Motorola Defy (2010)	Coolpad Quattro 4G