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Phone	Sony Ericsson K850	Sony Ericsson Xperia X10 mini (2010)	Motorola Photon Q	Samsung SCH-R211	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Not yet released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	2.6" diag. 4 : 3	4.3" diag. 16 : 9	1.5" diag. 1 : 1	?
Display Resolution & Type	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	240 x 320 pixels (~157 ppi) LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)	128 x 128 pixels (~121 ppi) LCD (STN)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	?	?	1,785 mAh	800 mAh	1,490 mAh
Processor	?	600 MHz Qualcomm S1 MSM7227	1.5 GHz Qualcomm Snapdragon	?	400 MHz Intel XScale
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	? raw hardware
Main Camera	5 megapixel	5 megapixel	8 megapixel	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	VGA (640 x 480)	1080p HD	-	QCIF (176 x 144)
Front Camera	-	-	1 megapixel	-	-
Weight	4.2 oz (119g)	3.11 oz (88g)	6 oz (170g)	2.73 oz (77g)	7.41 oz (210g)
Dimensions	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm)	4.98" x 2.6" x 0.54" (126 x 66 x 13.7 mm)	4.07" x 1.77" x 0.59" (103 x 45 x 15 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)
Form Factor	Slab	Slab	Slide	Slab	Slide
Platform / OS	(proprietary)	Android	Android	(proprietary)	Windows Mobile Professional
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 25 WCDMA: 1, 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1700, 1900	GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 3.6	HSPA 7.2	LTE (Cat 3)	1xRTT	GPRS
Features
GPS / Location	-	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	-	Yes	-	-
USB	Yes	Yes Micro-USB	Yes Micro-USB	-	Yes
Wi-Fi	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-	Yes
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	-	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	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	Yes	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 Capacitive	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	Yes	n/a	n/a	-	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	-	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
FM Radio	Yes	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	Yes	n/a	n/a	-	n/a
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	Yes	-	-
Video Calling	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
BREW	-	n/a	n/a	Yes	n/a
Games	Yes	n/a	n/a	Yes	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
	Sony Ericsson K850	Sony Ericsson Xperia X10 mini (2010)	Motorola Photon Q	Samsung SCH-R211	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	Sony Ericsson K850	Sony Ericsson Xperia X10 mini (2010)	Motorola Photon Q	Samsung SCH-R211	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)