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Phone	BlackBerry 7750	Coolpad Quattro 4G	Samsung SPH-A660 / VI660	ZTE Grand X	Nokia 6290
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	?	5" diag. 16 : 9	2.2" diag. 4 : 3
Display Resolution & Type	240 x 240 pixels LCD (Color)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (Color)	540 x 960 pixels (~220 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	?	1,600 mAh	?	2,300 mAh	950 mAh
Processor	?	?	?	1.2 GHz Qualcomm Snapdragon 200 MSM8210	369 MHz ARM 11
RAM	?	?	?	1 GB	?
Storage	? raw hardware	512 MB	? raw hardware	4 GB	? raw hardware
Main Camera	-	3 megapixel	-	5 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	VGA (640 x 480)	-	720p HD	QCIF (176 x 144)
Front Camera	-	Yes	-	1 megapixel	-
Weight	5.01 oz (142g)	3.31 oz (94g)	3.54 oz (100g)	6.06 oz (172g)	4.06 oz (115g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	5.7" x 2.87" x 0.37" (145 x 73 x 9.4 mm)	3.7" x 1.97" x 0.82" (94 x 50 x 20.8 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Clamshell
Platform / OS	BlackBerry OS	Android	(proprietary)	Android	S60 (Symbian)
Network Bands	CDMA: 850, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	LTE (Cat 3)	1xRTT	HSPA+ 21	EDGE
Features
GPS / Location	n/a	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	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
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	n/a	n/a	-	n/a	n/a
USB	Yes	Yes	-	Yes Micro-USB	Yes Mini-USB
Wi-Fi	-	Yes	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	n/a	Yes	n/a	n/a
Ringer ID	n/a	n/a	Yes	n/a	n/a
Voice Dialing	n/a	n/a	Yes	n/a	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	-	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	n/a	n/a	-	n/a	n/a
Instant Messaging	n/a	n/a	-	n/a	n/a
MMS	n/a	n/a	-	n/a	n/a
Text Messaging Templates	n/a	n/a	-	n/a	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	n/a	n/a	-	n/a	n/a
Stereo Speakers	-	-	-	-	Yes
Photo & Video
Video Calling	n/a	n/a	-	n/a	n/a
Productivity
Alarm	n/a	n/a	Yes	n/a	n/a
Calculator	n/a	n/a	Yes	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	Yes	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	Yes	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	n/a	Yes	n/a	n/a
Push-To-Talk	-	-	-	-	Yes *
Speaker Phone	-	Yes	-	Yes	Yes
	* Some versions only
	BlackBerry 7750	Coolpad Quattro 4G	Samsung SPH-A660 / VI660	ZTE Grand X	Nokia 6290
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	Coolpad Quattro 4G	Samsung SPH-A660 / VI660	ZTE Grand X	Nokia 6290