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Phone	Nokia E66	Palm Treo 650 (CDMA)	Siemens C56	Siemens SL65	BlackBerry 8703e
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	?	?	?	?
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	101 x 64 pixels	130 x 130 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,000 mAh	?	700 mAh	700 mAh	1,100 mAh
Processor	?	312 MHz Intel XScale PXA270	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	3 megapixel	Yes	-	-	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	QVGA (320 x 240)	-	?	-
Front Camera	-	-	-	-	-
Weight	4.27 oz (121g)	6.3 oz (179g)	3 oz (85g)	3.49 oz (99g)	4.7 oz (133g)
Dimensions	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.98" x 1.73" x 0.83" (101 x 44 x 21.1 mm)	3.55" x 1.87" x 0.82" (90 x 47 x 20.8 mm)	4.3" x 2.7" x 0.8" (109 x 69 x 20.3 mm)
Form Factor	Slide	Slab	Slab	Slide	Slab
Platform / OS	S60 (Symbian)	Palm OS	(proprietary)	(proprietary)	BlackBerry OS
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	GSM: 850, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1900
Data Technology	HSDPA 3.6	1xRTT	GPRS	GPRS	EVDO r0
Features
GPS / Location	n/a	n/a	Yes	-	n/a
Accessibility
Hearing Aid Compatible	-	-	-	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	-	-	Yes	-	Yes
Alerts
Ringer Profiles	Yes	-	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	-	-	Yes
Infrared (IR)	Yes	Yes	-	Yes	-
USB	Yes Micro-USB	-	Yes	Yes	Yes
Wi-Fi	Yes 802.11 b,g	-	-	-	-
Contacts
Picture ID	n/a	n/a	-	Yes	n/a
Ringer ID	n/a	n/a	Yes	Yes	n/a
Voice Dialing	n/a	n/a	Yes	-	n/a
Customization
Changeable Body Plates	-	-	Yes	-	-
Custom Graphics	n/a	n/a	Yes	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	-	-	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	Yes	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	-	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	Yes
Touch Screen	-	Yes	-	-	-
Memory
Memory Card Slot	Yes	Yes	-	-	-
Messaging
Email Client	n/a	n/a	-	Yes	n/a
EMS / Picture Messaging	n/a	n/a	Yes	Yes	n/a
Instant Messaging	n/a	n/a	-	-	n/a
MMS	n/a	n/a	-	Yes	n/a
Text Messaging Templates	n/a	n/a	Yes	Yes	n/a
Music
FM Radio	Yes	-	-	-	-
Music Player	n/a	n/a	-	-	n/a
Photo & Video
Video Calling	n/a	n/a	-	-	n/a
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	Yes	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	-	Yes	n/a
Voice Memo	n/a	n/a	-	Yes	n/a
Software
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	Yes	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	-	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia E66	Palm Treo 650 (CDMA)	Siemens C56	Siemens SL65	BlackBerry 8703e
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia E66	Palm Treo 650 (CDMA)	Siemens C56	Siemens SL65	BlackBerry 8703e