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Phone	Nokia Lumia 810	Motorola Droid 3	LG Tritan AX-840 / UX-840	Samsung Freeform 4 / Comment 2	Sony Ericsson Z520 / Z525
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 5 : 3	4" diag. 16 : 9	3" diag. 5 : 3	2.4" diag. 4 : 3	?
Display Resolution & Type	480 x 800 pixels (~217 ppi) AMOLED	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	240 x 400 pixels (~155 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (Color)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	1,800 mAh	1,540 mAh	950 mAh	1,000 mAh	?
Processor	1.5 GHz Qualcomm Snapdragon	1 GHz TI OMAP 4430 (dual-core ARM Cortex-A9)	?	?	?
RAM	1 GB	?	?	?	?
Storage	8 GB	16 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	8 megapixel	8 megapixel	3 megapixel	2 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	1080p HD	QVGA (320 x 240)	QCIF (176 x 144)	?
Front Camera	1 megapixel	Yes	-	-	-
Weight	5.11 oz (145g)	6.49 oz (184g)	5.03 oz (143g)	3.35 oz (95g)	3.46 oz (98g)
Dimensions	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	4.85" x 2.52" x 0.51" (123 x 64 x 12.9 mm)	4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm)	4.38" x 2.38" x 0.42" (111 x 60 x 10.7 mm)	3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm)
Form Factor	Slab	Slide	Slide	Slab	Clamshell
Platform / OS	Windows	Android	(proprietary)	(proprietary)	(proprietary)
Network Bands	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1700, 1900	GSM: 850, 900, 1800, 1900
Data Technology	HSPA+ 42	EVDO rA	EVDO r0	1xRTT	GPRS
Features
GPS / Location	n/a	n/a	Yes	Yes	-
Accessibility
Adjustable Text Size	n/a	n/a	Yes	Yes	-
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-
Multiple Languages	n/a	n/a	Yes	Yes	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	n/a	n/a	-	-	-
NFC	Yes	-	-	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 b,g,n)	-	-	-
Contacts
Picture ID	n/a	n/a	Yes	Yes	Yes
Ringer ID	n/a	n/a	Yes	Yes	Yes
Voice Dialing	n/a	n/a	Yes	Yes	Yes
Customization
Changeable Body Plates	-	-	-	-	Yes
Custom Graphics	n/a	n/a	Yes	Yes	Yes
Custom Ringtones	n/a	n/a	Yes	Yes	Yes
Real-Music Ringers	n/a	n/a	Yes	Yes	Yes
Data & Network
Data Tethering	n/a	n/a	-	-	Yes
WAP / Web Browser	n/a	n/a	Yes	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	-	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	Yes	Yes	-
Touch Screen	Yes Capacitive	Yes Capacitive	Yes	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	-
Messaging
Email Client	n/a	n/a	Yes	-	Yes
EMS / Picture Messaging	n/a	n/a	-	-	Yes
Instant Messaging	n/a	n/a	Yes	-	-
MMS	n/a	n/a	Yes	Yes	Yes
Text Messaging Templates	n/a	n/a	Yes	Yes	Yes
Music
Headphone Jack (3.5mm)	Yes	Yes	Yes	Yes	-
Music Player	n/a	n/a	Yes	Yes	-
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
Power
Wireless Charging	Yes	-	-	-	-
Productivity
Alarm	n/a	n/a	Yes	Yes	Yes
Calculator	n/a	n/a	Yes	Yes	Yes
Calendar	n/a	n/a	Yes	Yes	Yes
To-Do List	n/a	n/a	-	-	Yes
Voice Memo	n/a	n/a	Yes	Yes	Yes
Software
BREW	n/a	n/a	Yes	Yes	-
Games	n/a	n/a	Yes	Yes	Yes
Java (J2ME)	n/a	n/a	-	-	Yes
Voice
Push-To-Talk	-	-	-	-	Yes *
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia Lumia 810	Motorola Droid 3	LG Tritan AX-840 / UX-840	Samsung Freeform 4 / Comment 2	Sony Ericsson Z520 / Z525
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia Lumia 810	Motorola Droid 3	LG Tritan AX-840 / UX-840	Samsung Freeform 4 / Comment 2	Sony Ericsson Z520 / Z525