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Phone	Pantech Duo C810	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung Sidekick 4G	Motorola V710	Nokia E66
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	?	3.5" diag. 5 : 3	?	2.4" diag. 4 : 3
Display Resolution & Type	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	1,320 mAh	1,490 mAh	?	?	1,000 mAh
Processor	ARM 920t PXA27x	400 MHz Intel XScale	1 GHz Samsung Hummingbird Cortex A8	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	Yes	3 megapixel	1 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	QCIF (176 x 144)	WVGA / 480p	?	QVGA (320 x 240)
Front Camera	-	-	Yes	-	-
Weight	3.88 oz (110g)	7.41 oz (210g)	5.7 oz (162g)	4.06 oz (115g)	4.27 oz (121g)
Dimensions	4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)	5" x 2.42" x 0.6" (127 x 61 x 15.2 mm)	3.7" x 1.93" x 0.92" (94 x 49 x 23.4 mm)	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)
Form Factor	Slide	Slide	Slide	Clamshell	Slide
Platform / OS	Windows Mobile Standard	Windows Mobile Professional	Android	(proprietary)	S60 (Symbian)
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	HSDPA 1.8	GPRS	HSPA+ 21	1xRTT	HSDPA 3.6
Features
GPS / Location	n/a	n/a	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	-	Yes	Yes	-
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	Yes	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	Yes
Mobile Hotspot	n/a	n/a	n/a	-	n/a
USB	Yes	Yes	Yes Micro-USB	Yes *	Yes Micro-USB
Wi-Fi	-	Yes	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g
Contacts
Picture ID	n/a	n/a	n/a	Yes	n/a
Ringer ID	n/a	n/a	n/a	Yes	n/a
Voice Dialing	n/a	n/a	n/a	Yes	n/a
Customization
Custom Graphics	n/a	n/a	n/a	Yes	n/a
Custom Ringtones	n/a	n/a	n/a	Yes	n/a
Real-Music Ringers	n/a	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	Yes	Yes	-	-
Touch Screen	-	Yes	Yes	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	n/a	Yes *	n/a
EMS / Picture Messaging	n/a	n/a	n/a	Yes	n/a
Instant Messaging	n/a	n/a	n/a	-	n/a
MMS	n/a	n/a	n/a	Yes	n/a
Text Messaging Templates	n/a	n/a	n/a	Yes	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	n/a	n/a	n/a	Yes	n/a
Photo & Video
DLNA	-	-	Yes	-	-
Video Calling	n/a	n/a	n/a	-	n/a
Productivity
Alarm	n/a	n/a	n/a	Yes	n/a
Calculator	n/a	n/a	n/a	Yes	n/a
Calendar	n/a	n/a	n/a	Yes	n/a
To-Do List	n/a	n/a	n/a	-	n/a
Voice Memo	n/a	n/a	n/a	Yes	n/a
Software
BREW	n/a	n/a	n/a	Yes	n/a
Games	n/a	n/a	n/a	Yes	n/a
Java (J2ME)	n/a	n/a	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Pantech Duo C810	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung Sidekick 4G	Motorola V710	Nokia E66
	X >	< X >	< X >	< X >	< X

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


Phone	Pantech Duo C810	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung Sidekick 4G	Motorola V710	Nokia E66