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Phone	Samsung SGH-X640	Motorola T720 / T721 (GSM)	Samsung Galaxy J2 / J2 Pure / J2 Dash	Nokia N91	Pantech Marauder
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	5" diag. 16 : 9	?	3.8" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	120 x 160 pixels LCD (STN)	540 x 960 pixels (~220 ppi) LCD (TFT/TFD)	176 x 208 pixels LCD (TFT/TFD)	480 x 800 pixels (~246 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	800 mAh	?	2,600 mAh	?	1,680 mAh
Processor	?	?	1.4 GHz Samsung Exynos 7570	?	1.2 GHz Qualcomm Snapdragon S4 MSM8960-Lite
RAM	?	?	2 GB	?	1 GB
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	4 GB
Main Camera	Yes	-	8 megapixel	2 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	1080p HD	?	720p HD
Front Camera	-	-	5 megapixel	-	Yes
Weight	3 oz (85g)	3.56 oz (101g)	5.43 oz (154g)	5.78 oz (164g)	6.07 oz (172g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm)	5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm)	4.45" x 2.17" x 0.87" (113 x 55 x 22.1 mm)	5.06" x 2.57" x 0.49" (129 x 65 x 12.4 mm)
Form Factor	Clamshell	Clamshell	Slab	Slide	Slide
Platform / OS	(proprietary)	(proprietary)	Android	S60 (Symbian)	Android
Network Bands	GSM: 900, 1800, 1900	GSM: 850, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1 GSM: 900, 1800, 1900	4G LTE: 13 CDMA: 850, 1900
Data Technology	GPRS	GPRS	LTE (Cat 4)	EDGE	LTE (Cat 3)
Features
Flashlight	-	-	Yes	-	-
GPS / Location	-	-	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	-	Yes	-	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	-	Yes Micro-USB	Yes Mini-USB	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	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
Changeable Body Plates	-	Yes	-	-	-
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
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	-	Yes
Messaging
Email Client	-	Yes	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	-	n/a	n/a	n/a
Text Messaging Templates	Yes	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
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	-	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	Yes	n/a	n/a	n/a
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Motorola T720 / T721 (GSM)	Samsung Galaxy J2 / J2 Pure / J2 Dash	Nokia N91	Pantech Marauder
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Motorola T720 / T721 (GSM)	Samsung Galaxy J2 / J2 Pure / J2 Dash	Nokia N91	Pantech Marauder