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Phone	Samsung SGH-A717	Samsung Nexus S 4G	Palm Treo 650 (CDMA)	Samsung Knack U310	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	?	2.2" diag. 4 : 3	?
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	320 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	?	1,500 mAh	?	1,000 mAh	1,490 mAh
Processor	?	1 GHz Samsung Hummingbird Cortex A8	312 MHz Intel XScale PXA270	?	400 MHz Intel XScale
RAM	?	?	?	?	?
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	2 megapixel	5 megapixel	Yes	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	WVGA / 480p	QVGA (320 x 240)	-	QCIF (176 x 144)
Front Camera	-	Yes	-	-	-
Weight	3.31 oz (94g)	4.62 oz (131g)	6.3 oz (179g)	3.63 oz (103g)	7.41 oz (210g)
Dimensions	4.07" x 2.15" x 0.55" (103 x 55 x 14 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	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)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slide
Platform / OS	(proprietary)	Android	Palm OS	(proprietary)	Windows Mobile Professional
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G WiMAX: 41 CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 1.8	WiMAX	1xRTT	-	GPRS
Features
GPS / Location	-	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	Yes	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M4 (very compatible)	-	Yes M4, T4 (very tele-coil compatible)	-
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	-	Yes	-
Alerts
Extra Display	Yes	-	-	Yes	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	-	Yes	-	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	Yes	-	-	-
USB	Yes	Yes Micro-USB	-	-	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	-	Yes
Contacts
Picture ID	Yes	n/a	n/a	-	n/a
Ringer ID	Yes	n/a	n/a	-	n/a
Voice Dialing	-	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	-	n/a
Custom Ringtones	Yes	n/a	n/a	-	n/a
Real-Music Ringers	Yes	n/a	n/a	-	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	-	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	-	Yes Capacitive	Yes	-	Yes
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	Yes	n/a	n/a	-	n/a
EMS / Picture Messaging	-	n/a	n/a	Yes	n/a
Instant Messaging	Yes	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	-	n/a
Text Messaging Templates	Yes	n/a	n/a	-	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	Yes	n/a	n/a	-	n/a
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	-	n/a
Software
Games	Yes	n/a	n/a	-	n/a
Java (J2ME)	Yes	n/a	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-A717	Samsung Nexus S 4G	Palm Treo 650 (CDMA)	Samsung Knack U310	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-A717	Samsung Nexus S 4G	Palm Treo 650 (CDMA)	Samsung Knack U310	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)