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Phone	Samsung MM-A900 / SPH-A900 / Ace	LG Revolution	HTC Touch Pro2 (GSM) / Tilt 2	Samsung SPH-A660 / VI660	Palm Treo 600 (CDMA)
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. 5 : 3	?	?
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (Color)	160 x 160 pixels LCD (Color)
Display Refresh	?	60 Hz	?	?	?
Battery	?	1,500 mAh	1,500 mAh	?	?
Processor	?	1 GHz Qualcomm Snapdragon S2 MSM8655	528 MHz Qualcomm MSM7200A	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	5 megapixel	3 megapixel	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	?	-	-
Front Camera	-	1 megapixel	-	-	-
Weight	3.9 oz (111g)	6.08 oz (172g)	6.61 oz (187g)	3.54 oz (100g)	6.2 oz (176g)
Dimensions	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm)	4.59" x 2.36" x 0.68" (117 x 60 x 17.3 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	Android	Windows Mobile Professional	(proprietary)	Palm OS
Network Bands	CDMA: 850, 1900	4G LTE: 13 CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900
Data Technology	EVDO r0	LTE (Cat 3)	HSPA 7.2	1xRTT	1xRTT
Features
GPS / Location	Yes	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes M4, T3 (mostly tele-coil compatible)	-	-	-
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	-
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
USB	Yes	Yes	Yes	-	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	-	-
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	-	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	Yes	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	-
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	-	Yes Capacitive	Yes	-	Yes
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	-	-	-
Music Player	Yes	n/a	n/a	-	n/a
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	Yes	Yes	-	-
Video Calling	-	n/a	n/a	-	n/a
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	Yes	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	Yes	n/a
Push-To-Talk	-	-	Yes *	-	-
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Samsung MM-A900 / SPH-A900 / Ace	LG Revolution	HTC Touch Pro2 (GSM) / Tilt 2	Samsung SPH-A660 / VI660	Palm Treo 600 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung MM-A900 / SPH-A900 / Ace	LG Revolution	HTC Touch Pro2 (GSM) / Tilt 2	Samsung SPH-A660 / VI660	Palm Treo 600 (CDMA)