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Phone	HTC Windows Phone 8X (CDMA)	Samsung SCH-A990	Samsung Chrono	Nokia N81	Motorola RAZR V3m
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 16 : 9	?	2" diag. 4 : 3	2.4" diag. 4 : 3	?
Display Resolution & Type	720 x 1280 pixels (~342 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,800 mAh	1,000 mAh	?	1,050 mAh	780 mAh
Processor	1.5 GHz Qualcomm Snapdragon S4 Pro	?	?	369 MHz ARM 11	?
RAM	1 GB	?	?	?	?
Storage	16 GB	? raw hardware	? raw hardware	8 GB *	? raw hardware
Main Camera	8 megapixel	3 megapixel	Yes	2 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	?	-	VGA (640 x 480)	?
Front Camera	2 megapixel	-	-	-	-
Weight	4.66 oz (132g)	4.4 oz (125g)	3.14 oz (89g)	4.94 oz (140g)	3.49 oz (99g)
Dimensions	5.21" x 2.61" x 0.4" (132 x 66 x 10.2 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	3.7" x 1.83" x 0.67" (94 x 46 x 17 mm)	4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm)	3.9" x 2.1" x 0.57" (99 x 53 x 14.5 mm)
Form Factor	Slab	Clamshell	Clamshell	Slide	Clamshell
Platform / OS	Windows	(proprietary)	(proprietary)	S60 (Symbian)	(proprietary)
Network Bands	4G LTE: 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1700, 1900 *	WCDMA: 1 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	LTE (Cat 3)	EVDO r0	1xRTT	EDGE	EVDO r0
Features
Flashlight	Yes	Yes	-	-	-
GPS / Location	n/a	Yes	Yes	n/a	Yes
Accessibility
Adjustable Text Size	n/a	-	-	n/a	-
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	Yes	Yes	-	Yes
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	-	-	n/a	-
NFC	Yes	-	-	-	-
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes Mini-USB
Wi-Fi	Yes 4 (802.11 a,b,g,n)	-	-	Yes 802.11 b,g	-
Contacts
Picture ID	n/a	Yes	Yes	n/a	Yes
Ringer ID	n/a	Yes	Yes	n/a	Yes
Voice Dialing	n/a	Yes	Yes	n/a	Yes
Customization
Custom Graphics	n/a	Yes	Yes	n/a	Yes
Custom Ringtones	n/a	Yes	Yes	n/a	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	Yes	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	Yes Capacitive	-	-	-	-
Memory
Memory Card Slot	-	Yes	-	Yes *	Yes
Messaging
Email Client	n/a	-	Yes	n/a	-
EMS / Picture Messaging	n/a	Yes	-	n/a	Yes
Instant Messaging	n/a	-	-	n/a	Yes *
MMS	n/a	Yes	Yes	n/a	Yes
Text Messaging Templates	n/a	Yes	Yes	n/a	Yes *
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	Yes	-	n/a	Yes
Stereo Speakers	-	Yes	-	Yes	-
Photo & Video
TV Output	-	Yes	-	-	-
Video Calling	n/a	-	-	n/a	-
Productivity
Alarm	n/a	Yes	Yes	n/a	Yes
Calculator	n/a	Yes	Yes	n/a	Yes
Calendar	n/a	Yes	Yes	n/a	Yes
To-Do List	n/a	-	-	n/a	-
Voice Memo	n/a	Yes	Yes	n/a	Yes
Software
BREW	n/a	Yes	Yes	n/a	Yes
Games	n/a	Yes	Yes	n/a	Yes
Java (J2ME)	n/a	-	-	n/a	-
Voice
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	HTC Windows Phone 8X (CDMA)	Samsung SCH-A990	Samsung Chrono	Nokia N81	Motorola RAZR V3m
	X >	< X >	< X >	< X >	< X

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


Phone	HTC Windows Phone 8X (CDMA)	Samsung SCH-A990	Samsung Chrono	Nokia N81	Motorola RAZR V3m