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	X >	< X >	< X >	< X >	< X

Phone	Samsung SGH-X640	Motorola V551 / V330 / V547 / V555 / V557	Nokia N8-00	Huawei Ascend	Samsung SCH-A990
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	3.5" diag. 16 : 9	3.5" diag. 5 : 3	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	360 x 640 pixels (~210 ppi) AMOLED	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	800 mAh	820 mAh	1,200 mAh	1,500 mAh	1,000 mAh
Processor	?	?	680 MHz ARM 11	528 MHz Qualcomm S1 MSM7625	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	? raw hardware
Main Camera	Yes	Yes	12 megapixel	3 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	720p HD	CIF (352 x 288)	?
Front Camera	-	-	Yes	-	-
Weight	3 oz (85g)	4.23 oz (120g)	4.76 oz (135g)	4.76 oz (135g)	4.4 oz (125g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	4.47" x 2.32" x 0.51" (113 x 59 x 12.9 mm)	4.57" x 2.44" x 0.55" (116 x 62 x 14 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Clamshell
Platform / OS	(proprietary)	(proprietary)	Symbian^3	Android	(proprietary)
Network Bands	GSM: 900, 1800, 1900	GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1700, 1900	CDMA: 850, 1900
Data Technology	GPRS	EDGE	HSPA 10.1	EVDO rA	EVDO r0
Features
Flashlight	-	-	-	-	Yes
GPS / Location	-	-	n/a	n/a	Yes
Accessibility
Adjustable Text Size	-	-	n/a	n/a	-
Hearing Aid Compatible	-	-	-	Yes M4 (very compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	Yes
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
USB	-	Yes	Yes Micro-USB	Yes	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	-
Contacts
Picture ID	Yes	Yes	n/a	n/a	Yes
Ringer ID	Yes	Yes	n/a	n/a	Yes
Voice Dialing	-	Yes	n/a	n/a	Yes
Customization
Custom Graphics	Yes	Yes	n/a	n/a	Yes
Custom Ringtones	Yes	Yes	n/a	n/a	Yes
Real-Music Ringers	-	Yes	n/a	n/a	Yes
Data & Network
Data Tethering	-	Yes	n/a	n/a	Yes
WAP / Web Browser	Yes	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	Yes	n/a	n/a	-
EMS / Picture Messaging	Yes	Yes	n/a	n/a	Yes
Instant Messaging	-	Yes	n/a	n/a	-
MMS	Yes	Yes	n/a	n/a	Yes
Text Messaging Templates	Yes	Yes	n/a	n/a	Yes
Music
FM Radio	-	-	Yes	-	-
FM Transmitter	-	-	n/a	n/a	-
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	-	-	n/a	n/a	Yes
Stereo Speakers	-	-	-	-	Yes
Photo & Video
TV Output	-	-	Yes	-	Yes
Video Calling	-	-	n/a	n/a	-
Productivity
Alarm	Yes	Yes	n/a	n/a	Yes
Calculator	Yes	Yes	n/a	n/a	Yes
Calendar	Yes	Yes	n/a	n/a	Yes
To-Do List	Yes	-	n/a	n/a	-
Voice Memo	Yes	Yes	n/a	n/a	Yes
Software
BREW	-	-	n/a	n/a	Yes
Games	Yes	Yes	n/a	n/a	Yes
Java (J2ME)	Yes	Yes	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	Yes	Yes	n/a	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Motorola V551 / V330 / V547 / V555 / V557	Nokia N8-00	Huawei Ascend	Samsung SCH-A990
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Motorola V551 / V330 / V547 / V555 / V557	Nokia N8-00	Huawei Ascend	Samsung SCH-A990