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Phone	BlackBerry 7280	Motorola V551 / V330 / V547 / V555 / V557	Sony Ericsson Z520 / Z525	Motorola Defy (2010)	Samsung Epix i907
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	3.6" diag. 16 : 9	2.6" diag. 1 : 1
Display Resolution & Type	240 x 160 pixels LCD (Color)	176 x 220 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	480 x 854 pixels (~272 ppi) LCD (TFT/TFD)	320 x 320 pixels (~177 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	?	820 mAh	?	1,540 mAh	1,800 mAh
Processor	?	?	?	800 MHz TI OMAP3610	624 MHz PXA311 (ARM9)
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	Yes	Yes	5 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	?	?	QVGA (320 x 240)
Front Camera	-	-	-	-	-
Weight	4.9 oz (139g)	4.23 oz (120g)	3.46 oz (98g)	4.16 oz (118g)	4.4 oz (125g)
Dimensions	4.4" x 2.9" x 0.94" (112 x 74 x 23.9 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm)	4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm)	4.6" x 2.4" x 0.5" (117 x 61 x 12.7 mm)
Form Factor	Slab	Clamshell	Clamshell	Slab	Slab
Platform / OS	BlackBerry OS	(proprietary)	(proprietary)	Android	Windows Mobile Professional
Network Bands	GSM: 850, 1800, 1900	GSM: 850, 900, 1800, 1900 *	GSM: 850, 900, 1800, 1900	WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	EDGE	GPRS	HSPA 7.2	HSDPA 3.6
Features
GPS / Location	n/a	-	-	n/a	n/a
Ruggedized	-	-	-	Yes	-
Accessibility
Hearing Aid Compatible	-	-	-	-	Yes M3 (mostly compatible)
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Extra Display	-	Yes	Yes	-	-
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
USB	Yes	Yes	Yes	Yes Micro-USB	Yes
Wi-Fi	-	-	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	n/a	Yes	Yes	n/a	n/a
Ringer ID	n/a	Yes	Yes	n/a	n/a
Voice Dialing	n/a	Yes	Yes	n/a	n/a
Customization
Changeable Body Plates	-	-	Yes	-	-
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	Yes	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	Yes	-	-	-	Yes
Touch Screen	-	-	-	Yes Capacitive	Yes Resistive
Memory
Memory Card Slot	-	-	-	Yes	Yes
Messaging
Email Client	n/a	Yes	Yes	n/a	n/a
EMS / Picture Messaging	n/a	Yes	Yes	n/a	n/a
Instant Messaging	n/a	Yes	-	n/a	n/a
MMS	n/a	Yes	Yes	n/a	n/a
Text Messaging Templates	n/a	Yes	Yes	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	-	-	Yes	-
Music Player	n/a	-	-	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
Productivity
Alarm	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	-	Yes	n/a	n/a
Voice Memo	n/a	Yes	Yes	n/a	n/a
Software
Games	n/a	Yes	Yes	n/a	n/a
Java (J2ME)	n/a	Yes	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	-	n/a	n/a
Push-To-Talk	-	-	Yes *	-	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	BlackBerry 7280	Motorola V551 / V330 / V547 / V555 / V557	Sony Ericsson Z520 / Z525	Motorola Defy (2010)	Samsung Epix i907
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7280	Motorola V551 / V330 / V547 / V555 / V557	Sony Ericsson Z520 / Z525	Motorola Defy (2010)	Samsung Epix i907