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Phone	Samsung SCH-A645	Samsung Epix i907	ZTE Blade Vantage	Motorola RAZR V3c	Nokia Lumia 900
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.6" diag. 1 : 1	5" diag. 16 : 9	?	4.3" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (STN)	320 x 320 pixels (~177 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED
Display Refresh	?	?	60 Hz	?	?
Battery	1,000 mAh	1,800 mAh	2,500 mAh	740 mAh	1,830 mAh
Processor	?	624 MHz PXA311 (ARM9)	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	1.4 GHz Qualcomm S2 APQ8055
RAM	?	?	2 GB	?	512 MB
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	16 GB
Main Camera	-	2 megapixel	8 megapixel	1 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QVGA (320 x 240)	720p HD	?	720p HD
Front Camera	-	-	2 megapixel	-	1 megapixel
Weight	3.2 oz (91g)	4.4 oz (125g)	5.29 oz (150g)	3.49 oz (99g)	5.6 oz (159g)
Dimensions	3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm)	4.6" x 2.4" x 0.5" (117 x 61 x 12.7 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	3.9" x 2.1" x 0.6" (99 x 53 x 15.2 mm)	5.03" x 2.7" x 0.45" (128 x 69 x 11.4 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	Windows Mobile Professional	Android	(proprietary)	Windows
Network Bands	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 13	CDMA: 850, 1900	4G LTE: 4, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 *
Data Technology	1xRTT	HSDPA 3.6	LTE (Cat 4)	EVDO r0	LTE (Cat 3)
Features
Flashlight	-	-	Yes	-	-
GPS / Location	Yes	n/a	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
USB	-	Yes	Yes Micro-USB	Yes Mini-USB	Yes Micro-USB
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	-	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	Yes	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	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	-	n/a	n/a	Yes	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
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	Yes Resistive	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	-	-
Messaging
Email Client	-	n/a	n/a	-	n/a
EMS / Picture Messaging	Yes	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	-	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	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	Yes	n/a
Software
BREW	Yes *	n/a	n/a	Yes	n/a
Games	Yes *	n/a	n/a	Yes	n/a
Java (J2ME)	-	n/a	n/a	-	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	Yes	n/a	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SCH-A645	Samsung Epix i907	ZTE Blade Vantage	Motorola RAZR V3c	Nokia Lumia 900
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A645	Samsung Epix i907	ZTE Blade Vantage	Motorola RAZR V3c	Nokia Lumia 900