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Phone	Samsung SGH-X640	Samsung SCH-A610	Nokia E50	Sharp Z-800 (Audiovox 7900)	BlackBerry Z10 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	?	4.2" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	? LCD (Color)	768 x 1280 pixels (~355 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	800 mAh	1,300 mAh	970 mAh	?	1,800 mAh
Processor	?	?	?	?	1.5 GHz Qualcomm Snapdragon S4
RAM	?	?	?	?	2 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	16 GB
Main Camera	Yes	Yes	1 megapixel	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	QCIF (176 x 144)	-	1080p HD
Front Camera	-	-	-	-	2 megapixel
Weight	3 oz (85g)	4.23 oz (120g)	3.67 oz (104g)	4.25 oz (120g)	4.78 oz (135g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm)	4.45" x 1.71" x 0.61" (113 x 43 x 15.5 mm)	3.6" x 2" x 1.1" (91 x 51 x 27.9 mm)	5.12" x 2.58" x 0.35" (130 x 66 x 9 mm)
Form Factor	Clamshell	Clamshell	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	S60 (Symbian)	(proprietary)	BlackBerry 10
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 13 WCDMA: 1, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	1xRTT	EDGE	-	LTE (Cat 3)
Features
GPS / Location	-	Yes	n/a	-	n/a
Accessibility
Adjustable Text Size	-	-	n/a	-	n/a
Multiple Languages	Yes	Yes	n/a	-	n/a
TTY/TDD (Digital)	-	-	-	-	Yes
Alerts
Ringer Profiles	-	-	Yes	-	Yes
Connectivity
Bluetooth	-	-	Yes	-	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	-	n/a	-	n/a
NFC	-	-	-	-	Yes
USB	-	-	Yes	-	Yes Micro-USB
Wi-Fi	-	-	-	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	-	Yes	n/a	-	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	-	n/a	-	n/a
Data & Network
Data Tethering	-	Yes	n/a	Yes	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
Touch Screen	-	-	-	-	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	-	Yes
Messaging
Email Client	-	-	n/a	-	n/a
EMS / Picture Messaging	Yes	Yes	n/a	-	n/a
Instant Messaging	-	-	n/a	-	n/a
MMS	Yes	Yes	n/a	-	n/a
Text Messaging Templates	Yes	Yes	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	-	-	Yes
Music Player	-	-	n/a	-	n/a
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	-	n/a
Calendar	Yes	Yes	n/a	-	n/a
To-Do List	Yes	Yes	n/a	-	n/a
Voice Memo	Yes	Yes	n/a	-	n/a
Software
BREW	-	Yes	n/a	Yes	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	-	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	Yes	Yes	n/a	Yes	n/a
Push-To-Talk	-	-	Yes	-	-
Speaker Phone	Yes	-	Yes	-	Yes
	Samsung SGH-X640	Samsung SCH-A610	Nokia E50	Sharp Z-800 (Audiovox 7900)	BlackBerry Z10 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Samsung SCH-A610	Nokia E50	Sharp Z-800 (Audiovox 7900)	BlackBerry Z10 (CDMA)