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Phone	HTC Hero (CDMA)	Palm Treo 650 (CDMA)	Huawei Ascend Q	Audiovox CDM-8900	Samsung SCH-A310
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.2" diag. 5 : 3	?	3.2" diag. 5 : 3	?	?
Display Resolution & Type	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	128 x 128 pixels LCD (Grayscale)
Display Refresh	60 Hz	?	60 Hz	?	?
Battery	1,500 mAh	?	1,500 mAh	1,000 mAh	?
Processor	528 MHz MSM7600	312 MHz Intel XScale PXA270	800 MHz Qualcomm MSM7627A	?	?
RAM	?	?	512 MB	?	?
Storage	? raw hardware	? raw hardware	2 GB	? raw hardware	? raw hardware
Main Camera	5 megapixel	Yes	3 megapixel	Yes	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	QVGA (320 x 240)	?	-	-
Front Camera	-	-	-	-	-
Weight	4.5 oz (128g)	6.3 oz (179g)	4.6 oz (130g)	3.28 oz (93g)	3.2 oz (91g)
Dimensions	4.46" x 2.22" x 0.54" (113 x 56 x 13.7 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.8" x 2.3" x 0.5" (122 x 58 x 12.7 mm)	3.41" x 1.77" x 0.75" (87 x 45 x 19.1 mm)	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Clamshell
Platform / OS	Android	Palm OS	Android	(proprietary)	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1700, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900 AMPS: 850
Data Technology	EVDO rA	1xRTT	EVDO rA	1xRTT	1xRTT
Features
GPS / Location	n/a	n/a	n/a	Yes	Yes
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	-	-
Multiple Languages	n/a	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	-	Yes	-	-
Alerts
Extra Display	-	-	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	-	-
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	n/a	n/a	-	-
USB	Yes Mini-USB	-	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	n/a	n/a	Yes	-
Ringer ID	n/a	n/a	n/a	Yes	-
Voice Dialing	n/a	n/a	n/a	Yes	Yes
Customization
Changeable Body Plates	-	-	-	-	Yes
Custom Graphics	n/a	n/a	n/a	Yes	-
Custom Ringtones	n/a	n/a	n/a	Yes	-
Real-Music Ringers	n/a	n/a	n/a	-	-
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	Yes
WAP / Web Browser	n/a	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	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	-	-
EMS / Picture Messaging	n/a	n/a	n/a	Yes	-
Instant Messaging	n/a	n/a	n/a	-	-
MMS	n/a	n/a	n/a	-	-
Text Messaging Templates	n/a	n/a	n/a	Yes	-
Music
Headphone Jack (3.5mm)	Yes	-	Yes	-	-
Music Player	n/a	n/a	n/a	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	-
Calculator	n/a	n/a	n/a	Yes	-
Calendar	n/a	n/a	n/a	Yes	Yes
To-Do List	n/a	n/a	n/a	-	-
Voice Memo	n/a	n/a	n/a	Yes	Yes
Software
BREW	n/a	n/a	n/a	Yes *	-
Games	n/a	n/a	n/a	Yes	Yes
Java (J2ME)	n/a	n/a	n/a	Yes *	-
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	Yes
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	HTC Hero (CDMA)	Palm Treo 650 (CDMA)	Huawei Ascend Q	Audiovox CDM-8900	Samsung SCH-A310
	X >	< X >	< X >	< X >	< X

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


Phone	HTC Hero (CDMA)	Palm Treo 650 (CDMA)	Huawei Ascend Q	Audiovox CDM-8900	Samsung SCH-A310