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Phone	Motorola T720 / T721 (GSM)	Samsung SGH-X640	Samsung Galaxy S 4 Active	BlackBerry Curve 8330	ZTE Blade Max 3 / Max Blue
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	5" diag. 16 : 9	?	6" diag. 16 : 9
Display Resolution & Type	120 x 160 pixels LCD (STN)	128 x 160 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	?	800 mAh	2,600 mAh	1,150 mAh	4,000 mAh
Processor	?	?	1.9 GHz Qualcomm Snapdragon 600 8064T	?	2 GHz Qualcomm Snapdragon 625 (MSM8953)
RAM	?	?	2 GB	?	2 GB
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	16 GB
Main Camera	-	Yes	8 megapixel	2 megapixel	13 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	1080p HD	?	4K UHD
Front Camera	-	-	2 megapixel	-	5 megapixel
Weight	3.56 oz (101g)	3 oz (85g)	5.4 oz (153g)	4.02 oz (114g)	6.34 oz (180g)
Dimensions	3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm)	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)	4.2" x 2.4" x 0.6" (107 x 61 x 15.2 mm)	6.49" x 3.3" x 0.35" (165 x 84 x 8.9 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	BlackBerry OS	Android
Network Bands	GSM: 850, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12, 13, 25 WCDMA: 2, 4, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	GPRS	LTE (Cat 3)	EVDO r0	LTE (Cat 4)
Features
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	-	-	Yes	-	Yes
GPS / Location	-	-	n/a	n/a	n/a
Ruggedized	-	-	Yes	-	-
Water-Resistant	-	-	Yes IPX7 (snorkeling)	-	-
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes M3 (mostly compatible)	Yes M4, T4 (very 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	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	Yes	-	-
USB	-	-	Yes Micro-USB	Yes Mini-USB	Yes USB Type C
Wi-Fi	-	-	Yes 5 (802.11 a,ac,b,g,n)	-	Yes 5 (802.11 ac,b,g,n)
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	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
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	-	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	Yes	-	-
Miracast	-	-	Yes	-	-
Power
Fast Charging	-	-	-	-	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
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola T720 / T721 (GSM)	Samsung SGH-X640	Samsung Galaxy S 4 Active	BlackBerry Curve 8330	ZTE Blade Max 3 / Max Blue
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola T720 / T721 (GSM)	Samsung SGH-X640	Samsung Galaxy S 4 Active	BlackBerry Curve 8330	ZTE Blade Max 3 / Max Blue