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Phone	Samsung SPH-A660 / VI660	Samsung MM-A900 / SPH-A900 / Ace	Motorola Droid 2	HTC Touch Pro2 (GSM) / Tilt 2	Motorola Droid
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	3.7" diag. 16 : 9	3.6" diag. 5 : 3	3.7" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (Color)	240 x 320 pixels LCD (TFT/TFD)	480 x 854 pixels (~265 ppi) LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	480 x 854 pixels (~268 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	?	?	1,390 mAh	1,500 mAh	1,400 mAh
Processor	?	?	1 GHz TI OMAP3620	528 MHz Qualcomm MSM7200A	550 MHz TI OMAP 3430 (ARM Cortex A8)
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	? raw hardware
Main Camera	-	1 megapixel	5 megapixel	3 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	WVGA / 480p	?	WVGA / 480p
Front Camera	-	-	-	-	-
Weight	3.54 oz (100g)	3.9 oz (111g)	5.96 oz (169g)	6.61 oz (187g)	5.99 oz (170g)
Dimensions	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 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)	4.59" x 2.36" x 0.68" (117 x 60 x 17.3 mm)	4.55" x 2.35" x 0.55" (116 x 60 x 14 mm)
Form Factor	Clamshell	Clamshell	Slide	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Windows Mobile Professional	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900
Data Technology	1xRTT	EVDO r0	EVDO rA	HSPA 7.2	EVDO rA
Features
GPS / Location	Yes	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 M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	Yes	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	Yes 802.11 b,g
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	Yes	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	n/a	n/a
External Antenna Jack	-	-	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	Yes	-
Text Keyboard, Hardware	-	-	Yes	Yes	Yes
Touch Screen	-	-	Yes Capacitive	Yes	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
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	Yes	n/a	n/a	n/a
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	-	Yes	-
Video Calling	-	-	n/a	n/a	n/a
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	Yes	Yes	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	Yes	n/a	n/a	n/a
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SPH-A660 / VI660	Samsung MM-A900 / SPH-A900 / Ace	Motorola Droid 2	HTC Touch Pro2 (GSM) / Tilt 2	Motorola Droid
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-A660 / VI660	Samsung MM-A900 / SPH-A900 / Ace	Motorola Droid 2	HTC Touch Pro2 (GSM) / Tilt 2	Motorola Droid