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Phone	Nokia N78	Samsung SGH-X640	Palm Treo 600 (CDMA)	Palm Pre Plus (GSM)	ZTE Agent
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	?	?	3.1" diag. 5 : 3	2.4" diag. 4 : 3
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,200 mAh	800 mAh	?	1,150 mAh	900 mAh
Processor	369 MHz ARM 11	?	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	3 megapixel	Yes	Yes	3 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	-	-	VGA (640 x 480)	?
Front Camera	-	-	-	-	-
Weight	3.59 oz (102g)	3 oz (85g)	6.2 oz (176g)	4.89 oz (139g)	3.53 oz (100g)
Dimensions	4.45" x 1.93" x 0.59" (113 x 49 x 15.1 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	3.9" x 2.3" x 0.67" (99 x 58 x 17 mm)	4.3" x 1.9" x 0.6" (109 x 48 x 15.2 mm)
Form Factor	Slab	Clamshell	Slab	Slide	Slab
Platform / OS	S60 (Symbian)	(proprietary)	Palm OS	webOS	(proprietary)
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1700, 1900
Data Technology	HSDPA 3.6	GPRS	1xRTT	HSDPA 1.8	1xRTT
Features
GPS / Location	n/a	-	n/a	n/a	Yes
Accessibility
Hearing Aid Compatible	-	-	-	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Alerts
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	-	-	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
USB	Yes Micro-USB	-	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	Yes 802.11 b,g	-	-	Yes 802.11 b,g	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	-
Ringer ID	n/a	Yes	n/a	n/a	Yes
Customization
Custom Graphics	n/a	Yes	n/a	n/a	Yes
Custom Ringtones	n/a	Yes	n/a	n/a	Yes
Real-Music Ringers	n/a	-	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	-	n/a	n/a	-
WAP / Web Browser	n/a	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	Yes	-
Touch Screen	-	-	Yes	Yes Capacitive	-
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	n/a	-	n/a	n/a	Yes
EMS / Picture Messaging	n/a	Yes	n/a	n/a	-
Instant Messaging	n/a	-	n/a	n/a	Yes
MMS	n/a	Yes	n/a	n/a	Yes
Text Messaging Templates	n/a	Yes	n/a	n/a	Yes
Music
FM Radio	Yes	-	-	-	-
FM Transmitter	n/a	-	n/a	n/a	-
Headphone Jack (3.5mm)	Yes	-	-	Yes	Yes
Music Player	n/a	-	n/a	n/a	Yes
Stereo Speakers	Yes	-	-	-	-
Photo & Video
TV Output	Yes	-	-	-	-
Video Calling	n/a	-	n/a	n/a	-
Productivity
Alarm	n/a	Yes	n/a	n/a	Yes
Calculator	n/a	Yes	n/a	n/a	Yes
Calendar	n/a	Yes	n/a	n/a	Yes
To-Do List	n/a	Yes	n/a	n/a	-
Voice Memo	n/a	Yes	n/a	n/a	Yes
Software
BREW	n/a	-	n/a	n/a	Yes
Games	n/a	Yes	n/a	n/a	Yes
Java (J2ME)	n/a	Yes	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	-
Push-To-Talk	Yes *	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia N78	Samsung SGH-X640	Palm Treo 600 (CDMA)	Palm Pre Plus (GSM)	ZTE Agent
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia N78	Samsung SGH-X640	Palm Treo 600 (CDMA)	Palm Pre Plus (GSM)	ZTE Agent