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Phone	Samsung MM-A900 / SPH-A900 / Ace	HTC Imagio	LG Revolution	Motorola Droid 2	Samsung SCH-A310
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.6" diag. 5 : 3	4.3" diag. 5 : 3	3.7" diag. 16 : 9	?
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	480 x 854 pixels (~265 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (Grayscale)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	?	1,500 mAh	1,500 mAh	1,390 mAh	?
Processor	?	528 MHz MSM7600	1 GHz Qualcomm Snapdragon S2 MSM8655	1 GHz TI OMAP3620	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	16 GB	8 GB	? raw hardware
Main Camera	1 megapixel	5 megapixel	5 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	VGA (640 x 480)	720p HD	WVGA / 480p	-
Front Camera	-	-	1 megapixel	-	-
Weight	3.9 oz (111g)	5.25 oz (149g)	6.08 oz (172g)	5.96 oz (169g)	3.2 oz (91g)
Dimensions	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	4.65" x 2.43" x 0.55" (118 x 62 x 14 mm)	5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm)	4.58" x 2.38" x 0.54" (116 x 61 x 13.7 mm)	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)
Form Factor	Clamshell	Slab	Slab	Slide	Clamshell
Platform / OS	(proprietary)	Windows Mobile Professional	Android	Android	(proprietary)
Network Bands	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	4G LTE: 13 CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	EVDO r0	EVDO rA	LTE (Cat 3)	EVDO rA	1xRTT
Features
GPS / Location	Yes	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	Yes	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	-	n/a	n/a	n/a	-
USB	Yes	Yes Mini-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	-
Ringer ID	Yes	n/a	n/a	n/a	-
Voice Dialing	Yes	n/a	n/a	n/a	Yes
Customization
Changeable Body Plates	-	-	-	-	Yes
Custom Graphics	Yes	n/a	n/a	n/a	-
Custom Ringtones	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	Yes
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	Yes Resistive	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	-	n/a	n/a	n/a	-
Instant Messaging	-	n/a	n/a	n/a	-
MMS	-	n/a	n/a	n/a	-
Text Messaging Templates	Yes	n/a	n/a	n/a	-
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	Yes	n/a	n/a	n/a	-
Photo & Video
DLNA	-	-	Yes	Yes	-
TV Output	-	Yes	Yes	-	-
Video Calling	-	n/a	n/a	n/a	-
Productivity
Alarm	Yes	n/a	n/a	n/a	-
Calculator	Yes	n/a	n/a	n/a	-
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	Yes	n/a	n/a	n/a	-
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
Games	Yes	n/a	n/a	n/a	Yes
Java (J2ME)	Yes	n/a	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	-
	Samsung MM-A900 / SPH-A900 / Ace	HTC Imagio	LG Revolution	Motorola Droid 2	Samsung SCH-A310
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung MM-A900 / SPH-A900 / Ace	HTC Imagio	LG Revolution	Motorola Droid 2	Samsung SCH-A310