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Phone	HTC Touch Pro2 (GSM) / Tilt 2	Samsung MM-A900 / SPH-A900 / Ace	Palm Treo 650 (CDMA)	LG Revolution	LG eXpo GW820
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	3.2" diag. 5 : 3
Display Resolution & Type	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	480 x 800 pixels (~292 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	1,500 mAh	?	?	1,500 mAh	1,500 mAh
Processor	528 MHz Qualcomm MSM7200A	?	312 MHz Intel XScale PXA270	1 GHz Qualcomm Snapdragon S2 MSM8655	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	16 GB	? raw hardware
Main Camera	3 megapixel	1 megapixel	Yes	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	?	QVGA (320 x 240)	720p HD	?
Front Camera	-	-	-	1 megapixel	-
Weight	6.61 oz (187g)	3.9 oz (111g)	6.3 oz (179g)	6.08 oz (172g)	5.2 oz (147g)
Dimensions	4.59" x 2.36" x 0.68" (117 x 60 x 17.3 mm)	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm)	4.45" x 2.16" x 0.63" (113 x 55 x 16 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	Windows Mobile Professional	(proprietary)	Palm OS	Android	Windows Mobile Professional
Network Bands	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 13 CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSPA 7.2	EVDO r0	1xRTT	LTE (Cat 3)	HSPA 7.2
Features
Fingerprint Reader	-	-	-	-	Yes
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	-	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	-	n/a	n/a	n/a
USB	Yes	Yes	-	Yes	Yes Micro-USB
Wi-Fi	Yes 802.11 b,g	-	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	n/a	Yes	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	-	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	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	-	Yes	Yes Capacitive	Yes Resistive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	-	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	-	Yes	-
Music Player	n/a	Yes	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
TV Output	Yes	-	-	Yes	Yes
Video Calling	n/a	-	n/a	n/a	n/a
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	Yes	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	n/a
Push-To-Talk	Yes *	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	HTC Touch Pro2 (GSM) / Tilt 2	Samsung MM-A900 / SPH-A900 / Ace	Palm Treo 650 (CDMA)	LG Revolution	LG eXpo GW820
	X >	< X >	< X >	< X >	< X

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


Phone	HTC Touch Pro2 (GSM) / Tilt 2	Samsung MM-A900 / SPH-A900 / Ace	Palm Treo 650 (CDMA)	LG Revolution	LG eXpo GW820