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Specifications
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Phone	Samsung SPH-A660 / VI660	Motorola Backflip	BlackBerry 7750	HTC Touch Pro2 (CDMA)	Palm Treo 650 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.1" diag. 5 : 3	?	3.6" diag. 5 : 3	?
Display Resolution & Type	128 x 160 pixels LCD (Color)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	?	1,400 mAh	?	1,500 mAh	?
Processor	?	528 MHz Qualcomm MSM7201a	?	528 MHz MSM7600	312 MHz Intel XScale PXA270
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	5 megapixel	-	3 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	CIF (352 x 288)	-	?	QVGA (320 x 240)
Front Camera	-	-	-	-	-
Weight	3.54 oz (100g)	4.7 oz (133g)	5.01 oz (142g)	6.35 oz (180g)	6.3 oz (179g)
Dimensions	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.57" x 2.33" x 0.68" (116 x 59 x 17.3 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	BlackBerry OS	Windows Mobile Professional	Palm OS
Network Bands	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	HSPA 7.2	1xRTT	EVDO rA	1xRTT
Features
GPS / Location	Yes	n/a	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	n/a
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
USB	-	Yes Micro-USB	Yes	Yes	-
Wi-Fi	-	Yes 802.11 b,g	-	Yes	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	n/a
Ringer ID	Yes	n/a	n/a	n/a	n/a
Voice Dialing	Yes	n/a	n/a	n/a	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a	n/a
Real-Music Ringers	-	n/a	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	Yes	-
Text Keyboard, Hardware	-	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	-	Yes Resistive	Yes
Memory
Memory Card Slot	-	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	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	-	n/a	n/a	n/a	n/a
Photo & Video
TV Output	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a	n/a
To-Do List	Yes	n/a	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a	n/a
Software
Games	Yes	n/a	n/a	n/a	n/a
Java (J2ME)	Yes	n/a	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	n/a
Speaker Phone	-	Yes	-	Yes	Yes
	Samsung SPH-A660 / VI660	Motorola Backflip	BlackBerry 7750	HTC Touch Pro2 (CDMA)	Palm Treo 650 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-A660 / VI660	Motorola Backflip	BlackBerry 7750	HTC Touch Pro2 (CDMA)	Palm Treo 650 (CDMA)