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Phone	Samsung SGH-X640	Samsung Galaxy S 4 Active	ZTE Grand X	Samsung SCH-U740 Alias	Sanyo Incognito SCP-6760
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	5" diag. 16 : 9	5" diag. 16 : 9	?	2.6" diag. 4 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD)	540 x 960 pixels (~220 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	320 x 240 pixels (~154 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	800 mAh	2,600 mAh	2,300 mAh	?	840 mAh
Processor	?	1.9 GHz Qualcomm Snapdragon 600 8064T	1.2 GHz Qualcomm Snapdragon 200 MSM8210	?	?
RAM	?	2 GB	1 GB	?	?
Storage	? raw hardware	16 GB	4 GB	? raw hardware	? raw hardware
Main Camera	Yes	8 megapixel	5 megapixel	1 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	720p HD	?	QCIF (176 x 144)
Front Camera	-	2 megapixel	1 megapixel	-	-
Weight	3 oz (85g)	5.4 oz (153g)	6.06 oz (172g)	3.56 oz (101g)	4.23 oz (120g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.5" x 2.81" x 0.36" (140 x 71 x 9.1 mm)	5.7" x 2.87" x 0.37" (145 x 73 x 9.4 mm)	3.84" x 2.04" x 0.63" (98 x 52 x 16 mm)	4.2" x 2.2" x 0.7" (107 x 56 x 17.8 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, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	GPRS	LTE (Cat 3)	HSPA+ 21	EVDO r0	EVDO r0
Features
Flashlight	-	Yes	-	-	-
GPS / Location	-	n/a	n/a	Yes	Yes
Ruggedized	-	Yes	-	-	-
Water-Resistant	-	Yes IPX7 (snorkeling)	-	-	-
Accessibility
Adjustable Text Size	-	n/a	n/a	-	Yes
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	n/a	-	-
NFC	-	Yes	-	-	-
USB	-	Yes Micro-USB	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	Yes 5 (802.11 a,ac,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	-
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
Text Keyboard, Hardware	-	-	-	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	Yes	Yes
EMS / Picture Messaging	Yes	n/a	n/a	-	-
Instant Messaging	-	n/a	n/a	Yes	Yes
MMS	Yes	n/a	n/a	Yes	Yes
Text Messaging Templates	Yes	n/a	n/a	Yes	Yes
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	-	n/a	n/a	Yes	Yes
Photo & Video
DLNA	-	Yes	-	-	-
Miracast	-	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	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Samsung Galaxy S 4 Active	ZTE Grand X	Samsung SCH-U740 Alias	Sanyo Incognito SCP-6760
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Samsung Galaxy S 4 Active	ZTE Grand X	Samsung SCH-U740 Alias	Sanyo Incognito SCP-6760