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Phone	Samsung Gravity Q	BlackBerry Curve 3G 9330	Audiovox CDM-8400 / CDM-8410	BlackBerry Curve 8330	Nokia Lumia 521 / 520
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3" diag. 4 : 3	2.5" diag. 4 : 3	?	?	4" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels (~133 ppi) LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	320 x 240 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,000 mAh	1,150 mAh	?	1,150 mAh	1,430 mAh
Processor	ST Ericsson 6805	?	?	?	1 GHz Qualcomm Snapdragon S4 MSM8270
RAM	128 MB	?	?	?	512 MB
Storage	256 MB	? raw hardware	? raw hardware	? raw hardware	8 GB
Main Camera	2 megapixel	2 megapixel	-	2 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	?	-	?	720p HD
Front Camera	-	-	-	-	-
Weight	4.2 oz (119g)	3.7 oz (105g)	3.52 oz (100g)	4.02 oz (114g)	4.39 oz (124g)
Dimensions	4.41" x 2.34" x 0.57" (112 x 59 x 14.5 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	4.3" x 1.8" x 0.7" (109 x 46 x 17.8 mm)	4.2" x 2.4" x 0.6" (107 x 61 x 15.2 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)
Form Factor	Slide	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	BlackBerry OS	(proprietary)	BlackBerry OS	Windows
Network Bands	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	HSPA 7.2	EVDO r0	1xRTT	EVDO r0	HSPA+ 21
Features
GPS / Location	Yes	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	Yes	Yes	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	Yes Micro-USB	Yes Micro-USB	-	Yes Mini-USB	Yes
Wi-Fi	-	Yes 802.11 b,g	-	-	Yes
Contacts
Picture ID	Yes	n/a	-	n/a	n/a
Ringer ID	Yes	n/a	-	n/a	n/a
Voice Dialing	Yes	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	Yes	n/a	-	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	-	Yes	-
Touch Screen	Yes Capacitive	-	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	Yes	n/a	-	n/a	n/a
EMS / Picture Messaging	-	n/a	Yes	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	-	n/a	n/a
Text Messaging Templates	Yes	n/a	-	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	Yes
Music Player	Yes	n/a	-	n/a	n/a
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
BREW	-	n/a	Yes	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung Gravity Q	BlackBerry Curve 3G 9330	Audiovox CDM-8400 / CDM-8410	BlackBerry Curve 8330	Nokia Lumia 521 / 520
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung Gravity Q	BlackBerry Curve 3G 9330	Audiovox CDM-8400 / CDM-8410	BlackBerry Curve 8330	Nokia Lumia 521 / 520