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Phone	ZTE Z998 / Unico LTE	Nokia 6108	Motorola V551 / V330 / V547 / V555 / V557	Motorola Droid	Samsung Knack U310
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	?	?	3.7" diag. 16 : 9	2.2" diag. 4 : 3
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (Color)	176 x 220 pixels LCD (TFT/TFD)	480 x 854 pixels (~268 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	2,070 mAh	850 mAh	820 mAh	1,400 mAh	1,000 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	?	550 MHz TI OMAP 3430 (ARM Cortex A8)	?
RAM	1 GB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	-	Yes	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	?	WVGA / 480p	-
Front Camera	1 megapixel	-	-	-	-
Weight	4.8 oz (136g)	3.46 oz (98g)	4.23 oz (120g)	5.99 oz (170g)	3.63 oz (103g)
Dimensions	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	4.17" x 1.83" x 0.9" (106 x 46 x 22.9 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	4.55" x 2.35" x 0.55" (116 x 60 x 14 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Clamshell
Platform / OS	Android	(proprietary)	(proprietary)	Android	(proprietary)
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	LTE (Cat 3)	GPRS	EDGE	EVDO rA	-
Features
GPS / Location	n/a	-	-	n/a	Yes
Accessibility
Adjustable Text Size	n/a	-	-	n/a	Yes
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	Yes
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	-
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	-	-	n/a	-
USB	Yes Micro-USB	-	Yes	Yes Micro-USB	-
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 802.11 b,g	-
Contacts
Picture ID	n/a	Yes	Yes	n/a	-
Ringer ID	n/a	Yes	Yes	n/a	-
Voice Dialing	n/a	-	Yes	n/a	Yes
Customization
Custom Graphics	n/a	Yes	Yes	n/a	-
Custom Ringtones	n/a	Yes	Yes	n/a	-
Real-Music Ringers	n/a	-	Yes	n/a	-
Data & Network
Data Tethering	n/a	-	Yes	n/a	-
External Antenna Jack	n/a	-	-	n/a	-
WAP / Web Browser	n/a	Yes	Yes	n/a	-
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	Yes Capacitive	-	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	-	-	Yes	-
Messaging
Email Client	n/a	Yes	Yes	n/a	-
EMS / Picture Messaging	n/a	-	Yes	n/a	Yes
Instant Messaging	n/a	-	Yes	n/a	-
MMS	n/a	Yes	Yes	n/a	-
Text Messaging Templates	n/a	-	Yes	n/a	-
Music
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	-	-	n/a	-
Productivity
Alarm	n/a	Yes	Yes	n/a	Yes
Calculator	n/a	Yes	Yes	n/a	Yes
Calendar	n/a	Yes	Yes	n/a	Yes
To-Do List	n/a	Yes	-	n/a	-
Voice Memo	n/a	-	Yes	n/a	-
Software
Games	n/a	Yes	Yes	n/a	-
Java (J2ME)	n/a	Yes	Yes	n/a	-
Voice
Headset Jack (2.5 mm)	n/a	-	Yes	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Z998 / Unico LTE	Nokia 6108	Motorola V551 / V330 / V547 / V555 / V557	Motorola Droid	Samsung Knack U310
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z998 / Unico LTE	Nokia 6108	Motorola V551 / V330 / V547 / V555 / V557	Motorola Droid	Samsung Knack U310