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Specifications
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Phone	Samsung SGH-X640	Apple iPhone 4S	Coolpad Defiant	Motorola Defy (2010)
Current U.S. Carriers	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released
Display Size	?	3.5" diag. 5 : 3	5" diag. 16 : 9	3.6" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	480 x 854 pixels (~272 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	60 Hz
Battery	800 mAh	?	2,450 mAh	1,540 mAh
Processor	?	Apple A5	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	800 MHz TI OMAP3610
RAM	?	?	1 GB	?
Storage	? raw hardware	64 GB *	8 GB	? raw hardware
Main Camera	Yes	8 megapixel	5 megapixel	5 megapixel
Wide Camera	-	-	-	-
Tele Camera	-	-	-	-
Video Capture	-	1080p HD	720p HD	?
Front Camera	-	Yes	2 megapixel	-
Weight	3 oz (85g)	4.9 oz (139g)	6.5 oz (184g)	4.16 oz (118g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)	4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm)
Form Factor	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	iOS	Android	Android
Network Bands	GSM: 900, 1800, 1900	WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	HSPA 14.4	LTE (Cat 4)	HSPA 7.2
Features
Flashlight	-	-	Yes	-
GPS / Location	-	n/a	n/a	n/a
Ruggedized	-	-	-	Yes
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a
Hearing Aid Compatible	-	Yes	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes
Mobile Hotspot	-	n/a	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)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	n/a
Ringer ID	Yes	n/a	n/a	n/a
Voice Dialing	-	n/a	n/a	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a
Real-Music Ringers	-	n/a	n/a	n/a
Data & Network
Data Tethering	-	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	-	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	n/a	n/a	n/a
Text Messaging Templates	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	-	Yes
Headphone Jack (3.5mm)	-	Yes	Yes	Yes
Music Player	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes
TV Output	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a
To-Do List	Yes	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a
Software
Games	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Apple iPhone 4S	Coolpad Defiant	Motorola Defy (2010)
	X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Apple iPhone 4S	Coolpad Defiant	Motorola Defy (2010)