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Phone	Nokia N81	HTC Dash / S620 / S621 (Excalibur)	Motorola Q9m / Q9c	BlackBerry 7750	Casio G'zOne Ravine
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	?	2.4" diag. 4 : 3	?	2.2" diag. 4 : 3
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,050 mAh	960 mAh	1,170 mAh	?	1,140 mAh
Processor	369 MHz ARM 11	200 MHz OMAP 850	PXA27x (ARM920T)	?	?
RAM	?	?	?	?	?
Storage	8 GB *	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	2 megapixel	1 megapixel	1 megapixel	-	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	?	?	-	?
Front Camera	-	-	-	-	-
Weight	4.94 oz (140g)	4.23 oz (120g)	4.76 oz (135g)	5.01 oz (142g)	4.6 oz (130g)
Dimensions	4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm)	4.39" x 2.46" x 0.51" (112 x 62 x 13 mm)	4.61" x 2.56" x 0.47" (117 x 65 x 11.9 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.3" x 2.1" x 0.9" (109 x 53 x 22.9 mm)
Form Factor	Slide	Slab	Slab	Slab	Clamshell
Platform / OS	S60 (Symbian)	Windows Mobile Standard	Windows Mobile Standard	BlackBerry OS	(proprietary)
Network Bands	WCDMA: 1 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	EDGE	EDGE	EVDO r0	1xRTT	EVDO rA
Features
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	n/a	n/a	n/a	Yes
Ruggedized	-	-	-	-	Yes
Water-Resistant	-	-	-	-	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	Yes
Hearing Aid Compatible	-	-	Yes M3 (mostly compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	Yes	Yes	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
USB	Yes Micro-USB	Yes	Yes Mini-USB	Yes	Yes
Wi-Fi	Yes 802.11 b,g	Yes 802.11 b,g	-	-	-
Contacts
Picture ID	n/a	n/a	n/a	n/a	Yes
Ringer ID	n/a	n/a	n/a	n/a	Yes
Voice Dialing	n/a	n/a	n/a	n/a	Yes
Customization
Custom Graphics	n/a	n/a	n/a	n/a	Yes
Custom Ringtones	n/a	n/a	n/a	n/a	Yes
Real-Music Ringers	n/a	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	n/a	n/a	n/a	Yes
External Antenna Jack	n/a	n/a	n/a	n/a	-
WAP / Web Browser	n/a	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	Yes	Yes	-
Memory
Memory Card Slot	Yes *	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	n/a	Yes
EMS / Picture Messaging	n/a	n/a	n/a	n/a	Yes
Instant Messaging	n/a	n/a	n/a	n/a	Yes
MMS	n/a	n/a	n/a	n/a	Yes
Text Messaging Templates	n/a	n/a	n/a	n/a	Yes
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	-	-	-	-
Music Player	n/a	n/a	n/a	n/a	Yes
Stereo Speakers	Yes	-	Yes	-	-
Photo & Video
Video Calling	n/a	n/a	n/a	n/a	-
Productivity
Alarm	n/a	n/a	n/a	n/a	Yes
Calculator	n/a	n/a	n/a	n/a	Yes
Calendar	n/a	n/a	n/a	n/a	Yes
To-Do List	n/a	n/a	n/a	n/a	-
Voice Memo	n/a	n/a	n/a	n/a	Yes
Software
BREW	n/a	n/a	n/a	n/a	Yes
Games	n/a	n/a	n/a	n/a	Yes
Java (J2ME)	n/a	n/a	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	n/a	Yes
Push-To-Talk	Yes *	-	-	-	Yes
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Nokia N81	HTC Dash / S620 / S621 (Excalibur)	Motorola Q9m / Q9c	BlackBerry 7750	Casio G'zOne Ravine
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia N81	HTC Dash / S620 / S621 (Excalibur)	Motorola Q9m / Q9c	BlackBerry 7750	Casio G'zOne Ravine