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Phone	Samsung MM-A900 / SPH-A900 / Ace	Motorola V551 / V330 / V547 / V555 / V557	LG Revolution	Motorola Defy (2010)	Motorola RAZR V3c
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	4.3" diag. 5 : 3	3.6" diag. 16 : 9	?
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	480 x 854 pixels (~272 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	?	820 mAh	1,500 mAh	1,540 mAh	740 mAh
Processor	?	?	1 GHz Qualcomm Snapdragon S2 MSM8655	800 MHz TI OMAP3610	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	? raw hardware
Main Camera	1 megapixel	Yes	5 megapixel	5 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	?	720p HD	?	?
Front Camera	-	-	1 megapixel	-	-
Weight	3.9 oz (111g)	4.23 oz (120g)	6.08 oz (172g)	4.16 oz (118g)	3.49 oz (99g)
Dimensions	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm)	4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm)	3.9" x 2.1" x 0.6" (99 x 53 x 15.2 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Clamshell
Platform / OS	(proprietary)	(proprietary)	Android	Android	(proprietary)
Network Bands	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900 *	4G LTE: 13 CDMA: 850, 1900	WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	EVDO r0	EDGE	LTE (Cat 3)	HSPA 7.2	EVDO r0
Features
GPS / Location	Yes	-	n/a	n/a	Yes
Ruggedized	-	-	-	Yes	-
Accessibility
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	Yes	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	Yes	-	-	Yes
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	-
USB	Yes	Yes	Yes	Yes Micro-USB	Yes Mini-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	Yes	n/a	n/a	Yes
Ringer ID	Yes	Yes	n/a	n/a	Yes
Voice Dialing	Yes	Yes	n/a	n/a	Yes
Customization
Custom Graphics	Yes	Yes	n/a	n/a	Yes
Custom Ringtones	Yes	Yes	n/a	n/a	Yes
Real-Music Ringers	-	Yes	n/a	n/a	Yes
Data & Network
Data Tethering	Yes	Yes	n/a	n/a	Yes
WAP / Web Browser	Yes	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	-	-	Yes	Yes	-
Messaging
Email Client	-	Yes	n/a	n/a	-
EMS / Picture Messaging	-	Yes	n/a	n/a	Yes
Instant Messaging	-	Yes	n/a	n/a	-
MMS	-	Yes	n/a	n/a	Yes
Text Messaging Templates	Yes	Yes	n/a	n/a	Yes
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	-	Yes	Yes	-
Music Player	Yes	-	n/a	n/a	-
Photo & Video
DLNA	-	-	Yes	Yes	-
TV Output	-	-	Yes	-	-
Video Calling	-	-	n/a	n/a	-
Productivity
Alarm	Yes	Yes	n/a	n/a	Yes
Calculator	Yes	Yes	n/a	n/a	Yes
Calendar	Yes	Yes	n/a	n/a	Yes
To-Do List	Yes	-	n/a	n/a	-
Voice Memo	Yes	Yes	n/a	n/a	Yes
Software
BREW	-	-	n/a	n/a	Yes
Games	Yes	Yes	n/a	n/a	Yes
Java (J2ME)	Yes	Yes	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	Yes	Yes	n/a	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung MM-A900 / SPH-A900 / Ace	Motorola V551 / V330 / V547 / V555 / V557	LG Revolution	Motorola Defy (2010)	Motorola RAZR V3c
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung MM-A900 / SPH-A900 / Ace	Motorola V551 / V330 / V547 / V555 / V557	LG Revolution	Motorola Defy (2010)	Motorola RAZR V3c