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Phone	Samsung SGH-X640	Samsung SGH-A657	Nokia N73	Huawei Fusion 2	ZTE Blade Vantage
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	3.5" diag. 5 : 3	5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	800 mAh	1,420 mAh	1,100 mAh	1,400 mAh	2,500 mAh
Processor	?	?	?	800 MHz Qualcomm MSM7225A	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	?	?	?	512 MB	2 GB
Storage	? raw hardware	? raw hardware	? raw hardware	4 GB	16 GB
Main Camera	Yes	-	3 megapixel	3 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	CIF (352 x 288)	VGA (640 x 480)	720p HD
Front Camera	-	-	-	-	2 megapixel
Weight	3 oz (85g)	4.34 oz (123g)	4.09 oz (116g)	4.38 oz (124g)	5.29 oz (150g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm)	4.33" x 1.93" x 0.75" (110 x 49 x 19.1 mm)	4.56" x 2.4" x 0.46" (116 x 61 x 11.7 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	S60 (Symbian)	Android	Android
Network Bands	GSM: 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 13
Data Technology	GPRS	HSDPA 3.6	EDGE	HSPA 7.2	LTE (Cat 4)
Features
Flashlight	-	Yes	-	-	Yes
GPS / Location	-	Yes	n/a	n/a	n/a
Ruggedized	-	Yes	-	-	-
Accessibility
Hearing Aid Compatible	-	-	-	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	Yes	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	-	-	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	-	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	-	Yes	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	-	Yes	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	Yes	n/a	n/a	n/a
EMS / Picture Messaging	Yes	-	n/a	n/a	n/a
Instant Messaging	-	Yes	n/a	n/a	n/a
MMS	Yes	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	Yes	Yes	-
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	-	Yes	n/a	n/a	n/a
Stereo Speakers	-	-	Yes	-	-
Photo & Video
Video Calling	-	-	n/a	n/a	n/a
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	Yes	Yes	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	Yes	n/a	n/a	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	n/a
Push-To-Talk	-	Yes	Yes *	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Samsung SGH-A657	Nokia N73	Huawei Fusion 2	ZTE Blade Vantage
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Samsung SGH-A657	Nokia N73	Huawei Fusion 2	ZTE Blade Vantage