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Phone	Samsung SGH-E640	Audiovox CDM-8400 / CDM-8410	Nokia E70	Audiovox CDM-8150X	Nokia Lumia 920
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	?	4.5" diag. 5 : 3
Display Resolution & Type	176 x 220 pixels LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	352 x 416 pixels LCD (TFT/TFD)	?	768 x 1280 pixels (~332 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	800 mAh	?	1,150 mAh	?	2,000 mAh
Processor	?	?	?	?	1.5 GHz Qualcomm Snapdragon S4
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	32 GB
Main Camera	1 megapixel	-	2 megapixel	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	-	CIF (352 x 288)	-	1080p HD
Front Camera	-	-	-	-	1 megapixel
Weight	3.17 oz (90g)	3.52 oz (100g)	4.48 oz (127g)	3.88 oz (110g)	6.53 oz (185g)
Dimensions	3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm)	4.3" x 1.8" x 0.7" (109 x 46 x 17.8 mm)	4.61" x 2.09" x 0.87" (117 x 53 x 22.1 mm)	4.88" x 1.89" x 0.71" (124 x 48 x 18 mm)	5.12" x 2.79" x 0.42" (130 x 71 x 10.7 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	S60 (Symbian)	(proprietary)	Windows
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	GSM: 850, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	1xRTT	EDGE	1xRTT	LTE (Cat 3)
Features
GPS / Location	-	Yes	n/a	-	n/a
Accessibility
Adjustable Text Size	-	-	n/a	-	n/a
Hearing Aid Compatible	-	-	-	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	-	Yes	-	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	-	n/a	-	n/a
NFC	-	-	-	-	Yes
USB	Yes	-	Yes	-	Yes Micro-USB
Wi-Fi	-	-	Yes 802.11 b,g	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	Yes	-	n/a	-	n/a
Ringer ID	Yes	-	n/a	-	n/a
Voice Dialing	-	Yes	n/a	Yes	n/a
Customization
Custom Graphics	Yes	Yes	n/a	-	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	Yes	-	n/a	-	n/a
Data & Network
Data Tethering	-	Yes	n/a	-	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	-	-	-	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	-	-
Messaging
Email Client	Yes	-	n/a	-	n/a
EMS / Picture Messaging	Yes	Yes	n/a	-	n/a
Instant Messaging	-	-	n/a	-	n/a
MMS	Yes	-	n/a	-	n/a
Text Messaging Templates	Yes	-	n/a	-	n/a
Music
Headphone Jack (3.5mm)	-	-	-	-	Yes
Music Player	Yes	-	n/a	-	n/a
Power
Wireless Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	-	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	Yes	-	n/a	-	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	-	Yes	n/a	-	n/a
Games	Yes	Yes	n/a	-	n/a
Java (J2ME)	Yes	-	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	Yes	n/a
Push-To-Talk	-	-	Yes *	-	-
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Samsung SGH-E640	Audiovox CDM-8400 / CDM-8410	Nokia E70	Audiovox CDM-8150X	Nokia Lumia 920
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-E640	Audiovox CDM-8400 / CDM-8410	Nokia E70	Audiovox CDM-8150X	Nokia Lumia 920