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Specifications
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Phone	Palm Treo 650 (CDMA)	Samsung Knack U310	Motorola Droid 2	Sony Ericsson T616	Samsung SPH-i550
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	?	2.2" diag. 4 : 3	3.7" diag. 16 : 9	?	?
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	480 x 854 pixels (~265 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	320 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	?	1,000 mAh	1,390 mAh	?	?
Processor	312 MHz Intel XScale PXA270	?	1 GHz TI OMAP3620	?	200 MHz Motorola MX-1
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	? raw hardware
Main Camera	Yes	-	5 megapixel	Yes	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	-	WVGA / 480p	-	?
Front Camera	-	-	-	-	-
Weight	6.3 oz (179g)	3.63 oz (103g)	5.96 oz (169g)	3.35 oz (95g)	?
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.58" x 2.38" x 0.54" (116 x 61 x 13.7 mm)	4.02" x 1.73" x 0.75" (102 x 44 x 19.1 mm)	3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm)
Form Factor	Slab	Clamshell	Slide	Slab	Clamshell
Platform / OS	Palm OS	(proprietary)	Android	(proprietary)	Palm OS
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	GSM: 850, 1800, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	1xRTT	-	EVDO rA	GPRS	1xRTT
Features
GPS / Location	n/a	Yes	n/a	-	n/a
Accessibility
Adjustable Text Size	n/a	Yes	n/a	-	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	-
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Extra Display	-	Yes	-	-	Yes
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	-
Infrared (IR)	Yes	-	-	Yes	Yes
Mobile Hotspot	n/a	-	n/a	-	n/a
USB	-	-	Yes Micro-USB	Yes	-
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	-	n/a	Yes	n/a
Ringer ID	n/a	-	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Custom Graphics	n/a	-	n/a	Yes	n/a
Custom Ringtones	n/a	-	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	-	n/a
Data & Network
Data Tethering	n/a	-	n/a	Yes	n/a
WAP / Web Browser	n/a	-	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	Yes	-	-
Touch Screen	Yes	-	Yes Capacitive	-	Yes
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	n/a	-	n/a	Yes	n/a
EMS / Picture Messaging	n/a	Yes	n/a	-	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	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	n/a	-	n/a	-	n/a
Photo & Video
DLNA	-	-	Yes	-	-
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	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	n/a
Java (J2ME)	n/a	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	-	-
	Palm Treo 650 (CDMA)	Samsung Knack U310	Motorola Droid 2	Sony Ericsson T616	Samsung SPH-i550
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 650 (CDMA)	Samsung Knack U310	Motorola Droid 2	Sony Ericsson T616	Samsung SPH-i550