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Specifications
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Phone	HTC Droid Eris	Samsung MM-A900 / SPH-A900 / Ace	Motorola Droid 2	LG Revolution	Samsung SGH-T229
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.2" diag. 5 : 3	?	3.7" diag. 16 : 9	4.3" diag. 5 : 3	1.7" diag. 4 : 3
Display Resolution & Type	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 854 pixels (~265 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	128 x 160 pixels (~121 ppi) LCD (STN)
Display Refresh	60 Hz	?	60 Hz	60 Hz	?
Battery	1,300 mAh	?	1,390 mAh	1,500 mAh	800 mAh
Processor	528 MHz MSM7600	?	1 GHz TI OMAP3620	1 GHz Qualcomm Snapdragon S2 MSM8655	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	8 GB	16 GB	? raw hardware
Main Camera	5 megapixel	1 megapixel	5 megapixel	5 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	?	WVGA / 480p	720p HD	-
Front Camera	-	-	-	1 megapixel	-
Weight	4.43 oz (126g)	3.9 oz (111g)	5.96 oz (169g)	6.08 oz (172g)	3 oz (85g)
Dimensions	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	4.58" x 2.38" x 0.54" (116 x 61 x 13.7 mm)	5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm)	3.5" x 1.9" x 0.78" (89 x 48 x 19.8 mm)
Form Factor	Slab	Clamshell	Slide	Slab	Clamshell
Platform / OS	Android	(proprietary)	Android	Android	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 13 CDMA: 850, 1900	GSM: 850, 1800, 1900
Data Technology	EVDO rA	EVDO r0	EVDO rA	LTE (Cat 3)	GPRS
Features
GPS / Location	n/a	Yes	n/a	n/a	-
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	-	n/a	n/a	-
USB	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	n/a	Yes	n/a	n/a	Yes
Ringer ID	n/a	Yes	n/a	n/a	Yes
Voice Dialing	n/a	Yes	n/a	n/a	-
Customization
Custom Graphics	n/a	Yes	n/a	n/a	Yes
Custom Ringtones	n/a	Yes	n/a	n/a	Yes
Real-Music Ringers	n/a	-	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	-
WAP / Web Browser	n/a	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	Yes
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	n/a	-
EMS / Picture Messaging	n/a	-	n/a	n/a	Yes
Instant Messaging	n/a	-	n/a	n/a	Yes
MMS	n/a	-	n/a	n/a	Yes
Text Messaging Templates	n/a	Yes	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	-
Music Player	n/a	Yes	n/a	n/a	-
Photo & Video
DLNA	-	-	Yes	Yes	-
TV Output	-	-	-	Yes	-
Video Calling	n/a	-	n/a	n/a	-
Productivity
Alarm	n/a	Yes	n/a	n/a	Yes
Calculator	n/a	Yes	n/a	n/a	Yes
Calendar	n/a	Yes	n/a	n/a	Yes
To-Do List	n/a	Yes	n/a	n/a	Yes
Voice Memo	n/a	Yes	n/a	n/a	Yes
Software
Games	n/a	Yes	n/a	n/a	Yes
Java (J2ME)	n/a	Yes	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	HTC Droid Eris	Samsung MM-A900 / SPH-A900 / Ace	Motorola Droid 2	LG Revolution	Samsung SGH-T229
	X >	< X >	< X >	< X >	< X

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


Phone	HTC Droid Eris	Samsung MM-A900 / SPH-A900 / Ace	Motorola Droid 2	LG Revolution	Samsung SGH-T229