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Specifications
	X >	< X >	< X >	< X >	< X

Phone	Apple iPhone 4 (GSM)	Samsung SCH-A310	Palm Treo 650 (CDMA)	Palm Pre (CDMA)	Motorola Citrus
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	?	?	3.1" diag. 5 : 3	3" diag. 4 : 3
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (Grayscale)	320 x 320 pixels LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 320 pixels (~133 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	60 Hz
Battery	?	?	?	1,150 mAh	1,150 mAh
Processor	Apple A4	?	312 MHz Intel XScale PXA270	TI OMAP 3430	?
RAM	?	?	?	?	?
Storage	32 GB *	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	-	Yes	3 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	QVGA (320 x 240)	?	CIF (352 x 288)
Front Camera	Yes	-	-	-	-
Weight	4.8 oz (136g)	3.2 oz (91g)	6.3 oz (179g)	4.76 oz (135g)	3.88 oz (110g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.9" x 2.3" x 0.67" (99 x 58 x 17 mm)	4.09" x 2.32" x 0.59" (104 x 59 x 15 mm)
Form Factor	Slab	Clamshell	Slab	Slide	Slab
Platform / OS	iOS	(proprietary)	Palm OS	webOS	Android
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	HSPA 7.2	1xRTT	1xRTT	EVDO rA	EVDO r0
Features
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	-	Yes M4 (very compatible)	-
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	-	Yes	-
Alerts
Extra Display	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	-	n/a	n/a	n/a
USB	Yes	Yes	-	Yes Micro-USB	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 802.11 b,g	Yes 802.11 b,g
Contacts
Picture ID	n/a	-	n/a	n/a	n/a
Ringer ID	n/a	-	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	n/a	-	n/a	n/a	n/a
Custom Ringtones	n/a	-	n/a	n/a	n/a
Real-Music Ringers	n/a	-	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	Yes	-
Touch Screen	Yes Capacitive	-	Yes	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	-	Yes
Messaging
Email Client	n/a	-	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	-	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	-	-	Yes	Yes
Music Player	n/a	-	n/a	n/a	n/a
Photo & Video
TV Output	Yes	-	-	-	-
Productivity
Alarm	n/a	-	n/a	n/a	n/a
Calculator	n/a	-	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	-	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Apple iPhone 4 (GSM)	Samsung SCH-A310	Palm Treo 650 (CDMA)	Palm Pre (CDMA)	Motorola Citrus
	X >	< X >	< X >	< X >	< X

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


Phone	Apple iPhone 4 (GSM)	Samsung SCH-A310	Palm Treo 650 (CDMA)	Palm Pre (CDMA)	Motorola Citrus