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Phone	Nokia Lumia 920	Sony Ericsson K850	Coolpad Rogue	LG Tritan AX-840 / UX-840	Samsung SPH-A660 / VI660
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 5 : 3	2.2" diag. 4 : 3	4" diag. 5 : 3	3" diag. 5 : 3	?
Display Resolution & Type	768 x 1280 pixels (~332 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 400 pixels (~155 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (Color)
Display Refresh	?	?	60 Hz	?	?
Battery	2,000 mAh	?	1,600 mAh	950 mAh	?
Processor	1.5 GHz Qualcomm Snapdragon S4	?	1.1 GHz Qualcomm MSM8208	?	?
RAM	1 GB	?	1 GB	?	?
Storage	32 GB	? raw hardware	4 GB	? raw hardware	? raw hardware
Main Camera	8 megapixel	5 megapixel	2 megapixel	3 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	?	?	QVGA (320 x 240)	-
Front Camera	1 megapixel	-	Yes	-	-
Weight	6.53 oz (185g)	4.2 oz (119g)	3.88 oz (110g)	5.03 oz (143g)	3.54 oz (100g)
Dimensions	5.12" x 2.79" x 0.42" (130 x 71 x 10.7 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	4.98" x 2.54" x 0.52" (127 x 64 x 13.2 mm)	4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)
Form Factor	Slab	Slab	Slab	Slide	Clamshell
Platform / OS	Windows	(proprietary)	Android	(proprietary)	(proprietary)
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	LTE (Cat 3)	HSDPA 3.6	HSPA+ 21	EVDO r0	1xRTT
Features
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	-	n/a	Yes	Yes
Accessibility
Adjustable Text Size	n/a	-	n/a	Yes	-
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-
Multiple Languages	n/a	Yes	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	n/a	-	n/a	-	-
NFC	Yes	-	-	-	-
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes Micro-USB	-
Wi-Fi	Yes 4 (802.11 a,b,g,n)	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	Yes	n/a	Yes	Yes
Ringer ID	n/a	Yes	n/a	Yes	Yes
Voice Dialing	n/a	Yes	n/a	Yes	Yes
Customization
Custom Graphics	n/a	Yes	n/a	Yes	Yes
Custom Ringtones	n/a	Yes	n/a	Yes	Yes
Real-Music Ringers	n/a	Yes	n/a	Yes	-
Data & Network
Data Tethering	n/a	Yes	n/a	-	Yes
WAP / Web Browser	n/a	Yes	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	-	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	Yes Capacitive	-	Yes	Yes	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	n/a	Yes	n/a	Yes	-
Instant Messaging	n/a	-	n/a	Yes	-
MMS	n/a	Yes	n/a	Yes	-
Text Messaging Templates	n/a	Yes	n/a	Yes	-
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	-
Music Player	n/a	Yes	n/a	Yes	-
Photo & Video
Video Calling	n/a	Yes *	n/a	-	-
Power
Wireless Charging	Yes	-	-	-	-
Productivity
Alarm	n/a	Yes	n/a	Yes	Yes
Calculator	n/a	Yes	n/a	Yes	Yes
Calendar	n/a	Yes	n/a	Yes	Yes
To-Do List	n/a	Yes	n/a	-	Yes
Voice Memo	n/a	Yes	n/a	Yes	Yes
Software
BREW	n/a	-	n/a	Yes	-
Games	n/a	Yes	n/a	Yes	Yes
Java (J2ME)	n/a	Yes	n/a	-	Yes
Voice
Headset Jack (2.5 mm)	n/a	-	n/a	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Nokia Lumia 920	Sony Ericsson K850	Coolpad Rogue	LG Tritan AX-840 / UX-840	Samsung SPH-A660 / VI660
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia Lumia 920	Sony Ericsson K850	Coolpad Rogue	LG Tritan AX-840 / UX-840	Samsung SPH-A660 / VI660