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Specifications
	X >	< X >	< X >	< X >	< X

Phone	Samsung SGH-X640	Samsung SGH-E635 / SGH-E630	Motorola Moto X (Verizon, 1st gen.)	Huawei W1	Apple iPhone 4 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	4.7" diag. 16 : 9	4" diag. 5 : 3	3.5" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	720 x 1280 pixels (~312 ppi) AMOLED	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	800 mAh	800 mAh	2,200 mAh	1,950 mAh	?
Processor	?	?	1.7 GHz Qualcomm Snapdragon S4 Pro MSM8960	1.2 GHz Qualcomm Snapdragon 400 MSM8230	?
RAM	?	?	2 GB	512 MB	?
Storage	? raw hardware	? raw hardware	16 GB *	4 GB	8 GB *
Main Camera	Yes	Yes	10 megapixel	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	1080p HD	720p HD	720p HD
Front Camera	-	-	2 megapixel	Yes	Yes
Weight	3 oz (85g)	2.78 oz (79g)	4.76 oz (135g)	4.41 oz (125g)	4.8 oz (136g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.34" x 1.69" x 0.85" (85 x 43 x 21.6 mm)	5.09" x 2.57" x 0.43" (129 x 65 x 10.8 mm)	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)
Form Factor	Clamshell	Slide	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Windows	iOS
Network Bands	GSM: 900, 1800, 1900	GSM: 850, 1800, 1900 *	4G LTE: 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	GPRS	GPRS	LTE (Cat 3)	HSPA+ 21	EVDO rA
Features
GPS / Location	-	-	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes	Yes	Yes
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	-	Yes	-	-
Connectivity
Bluetooth	-	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	Yes	-	-
USB	-	-	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	-	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	-	-	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	-
Messaging
Email Client	-	-	n/a	n/a	n/a
EMS / Picture Messaging	Yes	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
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	-	-	n/a	n/a	n/a
Photo & Video
Miracast	-	-	Yes	-	-
TV Output	-	-	-	-	Yes
Video Calling	-	-	n/a	n/a	n/a
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	Yes	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
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Samsung SGH-E635 / SGH-E630	Motorola Moto X (Verizon, 1st gen.)	Huawei W1	Apple iPhone 4 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Samsung SGH-E635 / SGH-E630	Motorola Moto X (Verizon, 1st gen.)	Huawei W1	Apple iPhone 4 (CDMA)