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Phone	Samsung SPH-A660 / VI660	Motorola Droid	HTC 8XT	Motorola V551 / V330 / V547 / V555 / V557	ZTE Blade Z Max
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.7" diag. 16 : 9	4.3" diag. 5 : 3	?	6" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (Color)	480 x 854 pixels (~268 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	?	1,400 mAh	1,800 mAh	820 mAh	4,080 mAh
Processor	?	550 MHz TI OMAP 3430 (ARM Cortex A8)	1.4 GHz Qualcomm Snapdragon 400 8930	?	1.4 GHz Qualcomm Snapdragon 435 (MSM8940)
RAM	?	?	1 GB	?	2 GB
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	32 GB
Main Camera	-	5 megapixel	8 megapixel	Yes	16 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	WVGA / 480p	1080p HD	?	1080p HD
Front Camera	-	-	2 megapixel	-	8 megapixel
Weight	3.54 oz (100g)	5.99 oz (170g)	4.9 oz (139g)	4.23 oz (120g)	6.58 oz (186g)
Dimensions	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	4.55" x 2.35" x 0.55" (116 x 60 x 14 mm)	5.2" x 2.6" x 0.39" (132 x 66 x 9.9 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	Android	Windows	(proprietary)	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	4G LTE: 25 CDMA: 800, 850, 1900	GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	EVDO rA	LTE (Cat 3)	EDGE	LTE (Cat 6)
Features
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	-	-	Yes	-	Yes
GPS / Location	Yes	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, T4 (very tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	-	Yes	-	-
USB	-	Yes Micro-USB	Yes Micro-USB	Yes	Yes USB Type C
Wi-Fi	-	Yes 802.11 b,g	Yes 4 (802.11 a,b,g,n)	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	Yes	n/a
External Antenna Jack	-	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	-	n/a	n/a	Yes	n/a
EMS / Picture Messaging	-	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	Yes	n/a
MMS	-	n/a	n/a	Yes	n/a
Text Messaging Templates	-	n/a	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	Yes
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	-	n/a	n/a	-	n/a
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	n/a	Yes	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	Samsung SPH-A660 / VI660	Motorola Droid	HTC 8XT	Motorola V551 / V330 / V547 / V555 / V557	ZTE Blade Z Max
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-A660 / VI660	Motorola Droid	HTC 8XT	Motorola V551 / V330 / V547 / V555 / V557	ZTE Blade Z Max