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Phone	HP iPAQ hw6510 / hw6515	LG Revolution	Pantech Duo C810	Samsung Tint SCH-R420	HTC Dash / S620 / S621 (Excalibur)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.3" diag. 5 : 3	2.2" diag. 4 : 3	1.9" diag. 4 : 3	?
Display Resolution & Type	240 x 240 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	128 x 160 pixels (~108 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	1,200 mAh	1,500 mAh	1,320 mAh	800 mAh	960 mAh
Processor	312 MHz Intel XScale PXA272	1 GHz Qualcomm Snapdragon S2 MSM8655	ARM 920t PXA27x	?	200 MHz OMAP 850
RAM	?	?	?	?	?
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	5 megapixel	1 megapixel	Yes	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	QVGA (320 x 240)	-	?
Front Camera	-	1 megapixel	-	-	-
Weight	5.8 oz (164g)	6.08 oz (172g)	3.88 oz (110g)	3.35 oz (95g)	4.23 oz (120g)
Dimensions	4.65" x 2.8" x 0.71" (118 x 71 x 18 mm)	5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm)	4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm)	3.74" x 1.88" x 0.74" (95 x 48 x 18.8 mm)	4.39" x 2.46" x 0.51" (112 x 62 x 13 mm)
Form Factor	Slab	Slab	Slide	Clamshell	Slab
Platform / OS	Windows Mobile Professional	Android	Windows Mobile Standard	(proprietary)	Windows Mobile Standard
Network Bands	GSM: 850, 900, 1800, 1900	4G LTE: 13 CDMA: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1700, 1900	GSM: 850, 900, 1800, 1900
Data Technology	EDGE	LTE (Cat 3)	HSDPA 1.8	1xRTT	EDGE
Features
GPS / Location	n/a	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M4 (very compatible)	-
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	Yes	-	Yes	-	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
Wi-Fi	-	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
Changeable Body Plates	-	-	-	Yes	-
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	-	n/a
External Antenna Jack	n/a	n/a	n/a	-	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
Text Keyboard, Hardware	Yes	-	Yes	-	Yes
Touch Screen	Yes	Yes Capacitive	-	-	-
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	Yes	n/a
Text Messaging Templates	n/a	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	n/a	n/a	n/a	-	n/a
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	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
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	HP iPAQ hw6510 / hw6515	LG Revolution	Pantech Duo C810	Samsung Tint SCH-R420	HTC Dash / S620 / S621 (Excalibur)
	X >	< X >	< X >	< X >	< X

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


Phone	HP iPAQ hw6510 / hw6515	LG Revolution	Pantech Duo C810	Samsung Tint SCH-R420	HTC Dash / S620 / S621 (Excalibur)