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Phone	Samsung SGH-X640	BlackBerry Curve 3G 9330	Motorola V551 / V330 / V547 / V555 / V557	Nokia Lumia 900	Motorola Droid 4
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.5" diag. 4 : 3	?	4.3" diag. 5 : 3	4" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	800 mAh	1,150 mAh	820 mAh	1,830 mAh	1,785 mAh
Processor	?	?	?	1.4 GHz Qualcomm S2 APQ8055	?
RAM	?	?	?	512 MB	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	16 GB	16 GB
Main Camera	Yes	2 megapixel	Yes	8 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	?	720p HD	1080p HD
Front Camera	-	-	-	1 megapixel	1 megapixel
Weight	3 oz (85g)	3.7 oz (105g)	4.23 oz (120g)	5.6 oz (159g)	6.31 oz (179g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	5.03" x 2.7" x 0.45" (128 x 69 x 11.4 mm)	5" x 2.65" x 0.5" (127 x 67 x 12.7 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Slide
Platform / OS	(proprietary)	BlackBerry OS	(proprietary)	Windows	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900 *	4G LTE: 4, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 *	4G LTE: 13 CDMA: 850, 1900
Data Technology	GPRS	EVDO r0	EDGE	LTE (Cat 3)	LTE (Cat 3)
Features
GPS / Location	-	n/a	-	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	-	Yes Micro-USB	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes 802.11 b,g	-	Yes	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	-	n/a	Yes	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	-	n/a	Yes	n/a	n/a
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	Yes
Touch Screen	-	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	Yes	-	-	Yes
Messaging
Email Client	-	n/a	Yes	n/a	n/a
EMS / Picture Messaging	Yes	n/a	Yes	n/a	n/a
Instant Messaging	-	n/a	Yes	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	-	n/a	-	n/a	n/a
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	Yes	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	BlackBerry Curve 3G 9330	Motorola V551 / V330 / V547 / V555 / V557	Nokia Lumia 900	Motorola Droid 4
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	BlackBerry Curve 3G 9330	Motorola V551 / V330 / V547 / V555 / V557	Nokia Lumia 900	Motorola Droid 4