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Phone	Samsung SCH-A310	HP iPAQ Glisten	Motorola Droid	Apple iPhone 4 (GSM)	HTC Touch Pro2 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.5" diag. 4 : 3	3.7" diag. 16 : 9	3.5" diag. 5 : 3	3.6" diag. 5 : 3
Display Resolution & Type	128 x 128 pixels LCD (Grayscale)	320 x 240 pixels (~160 ppi) AMOLED	480 x 854 pixels (~268 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	?	1,590 mAh	1,400 mAh	?	1,500 mAh
Processor	?	528 MHz Qualcomm MSM7200a (ARM11)	550 MHz TI OMAP 3430 (ARM Cortex A8)	Apple A4	528 MHz MSM7600
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	32 GB *	? raw hardware
Main Camera	-	3 megapixel	5 megapixel	5 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QVGA (320 x 240)	WVGA / 480p	720p HD	?
Front Camera	-	-	-	Yes	-
Weight	3.2 oz (91g)	5.29 oz (150g)	5.99 oz (170g)	4.8 oz (136g)	6.35 oz (180g)
Dimensions	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	4.44" x 2.47" x 0.53" (113 x 63 x 13.4 mm)	4.55" x 2.35" x 0.55" (116 x 60 x 14 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.57" x 2.33" x 0.68" (116 x 59 x 17.3 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Windows Mobile Professional	Android	iOS	Windows Mobile Professional
Network Bands	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	HSDPA 3.6	EVDO rA	HSPA 7.2	EVDO rA
Features
GPS / Location	Yes	n/a	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	n/a
Hearing Aid Compatible	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	n/a	n/a
USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes	Yes
Wi-Fi	-	Yes 802.11 b,g	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	Yes
Contacts
Picture ID	-	n/a	n/a	n/a	n/a
Ringer ID	-	n/a	n/a	n/a	n/a
Voice Dialing	Yes	n/a	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	Yes	n/a	n/a	n/a	n/a
External Antenna Jack	-	n/a	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	Yes
Text Keyboard, Hardware	-	Yes	Yes	-	Yes
Touch Screen	-	Yes Resistive	Yes Capacitive	Yes Capacitive	Yes Resistive
Memory
Memory Card Slot	-	Yes	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
Text Messaging Templates	-	n/a	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	Yes
Music Player	-	n/a	n/a	n/a	n/a
Photo & Video
TV Output	-	-	-	Yes	Yes
Productivity
Alarm	-	n/a	n/a	n/a	n/a
Calculator	-	n/a	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a	n/a
To-Do List	-	n/a	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a	n/a
Software
Games	Yes	n/a	n/a	n/a	n/a
Java (J2ME)	-	n/a	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SCH-A310	HP iPAQ Glisten	Motorola Droid	Apple iPhone 4 (GSM)	HTC Touch Pro2 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A310	HP iPAQ Glisten	Motorola Droid	Apple iPhone 4 (GSM)	HTC Touch Pro2 (CDMA)