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Phone	Samsung SCH-A310	Audiovox CDM-8900	Motorola Photon Q	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	HTC EVO 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	4.3" diag. 16 : 9	?	4.3" diag. 5 : 3
Display Resolution & Type	128 x 128 pixels LCD (Grayscale)	128 x 160 pixels LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	?	1,000 mAh	1,785 mAh	1,490 mAh	1,500 mAh
Processor	?	?	1.5 GHz Qualcomm Snapdragon	400 MHz Intel XScale	1 GHz Qualcomm Snapdragon S1 QSD8650
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	? raw hardware
Main Camera	-	Yes	8 megapixel	Yes	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	1080p HD	QCIF (176 x 144)	720p HD
Front Camera	-	-	1 megapixel	-	Yes
Weight	3.2 oz (91g)	3.28 oz (93g)	6 oz (170g)	7.41 oz (210g)	6 oz (170g)
Dimensions	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	3.41" x 1.77" x 0.75" (87 x 45 x 19.1 mm)	4.98" x 2.6" x 0.54" (126 x 66 x 13.7 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)	4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm)
Form Factor	Clamshell	Clamshell	Slide	Slide	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Windows Mobile Professional	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900 AMPS: 850	4G LTE: 25 WCDMA: 1, 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	4G WiMAX: 41 CDMA: 850, 1900
Data Technology	1xRTT	1xRTT	LTE (Cat 3)	GPRS	WiMAX
Features
GPS / Location	Yes	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes M3, T3 (mostly tele-coil compatible)	-	Yes
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	-	Yes	-	Yes
Alerts
Extra Display	Yes	Yes	-	-	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	Yes	-	-
USB	Yes	Yes	Yes Micro-USB	Yes	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes	Yes 802.11 b,g
Contacts
Picture ID	-	Yes	n/a	n/a	n/a
Ringer ID	-	Yes	n/a	n/a	n/a
Voice Dialing	Yes	Yes	n/a	n/a	n/a
Customization
Changeable Body Plates	Yes	-	-	-	-
Custom Graphics	-	Yes	n/a	n/a	n/a
Custom Ringtones	-	Yes	n/a	n/a	n/a
Real-Music Ringers	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	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
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	-	n/a	n/a	n/a
EMS / Picture Messaging	-	Yes	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	-	-	n/a	n/a	n/a
Text Messaging Templates	-	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	Yes	-	Yes
Productivity
Alarm	-	Yes	n/a	n/a	n/a
Calculator	-	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	-	-	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
BREW	-	Yes *	n/a	n/a	n/a
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	-	Yes *	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	Yes	n/a	n/a	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SCH-A310	Audiovox CDM-8900	Motorola Photon Q	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	HTC EVO 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A310	Audiovox CDM-8900	Motorola Photon Q	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	HTC EVO 4G