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Phone	BlackBerry 7750	Samsung SGH-T819	Sharp Aquos Crystal	ZTE Sonata 2 / Paragon	Motorola Rival A455
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	5" diag. 16 : 9	4" diag. 5 : 3	2.2" diag. 4 : 3
Display Resolution & Type	240 x 240 pixels LCD (Color)	176 x 220 pixels LCD (TFT/TFD)	720 x 1280 pixels (~294 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	176 x 220 pixels (~131 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	?	?	2,040 mAh	1,650 mAh	940 mAh
Processor	?	?	1.2 GHz Qualcomm Snapdragon 400 MSM8926	1.2 GHz Qualcomm Snapdragon 200 (MSM8210)	?
RAM	?	?	1.5 GB	1 GB	?
Storage	? raw hardware	? raw hardware	8 GB	4 GB	? raw hardware
Main Camera	-	1 megapixel	8 megapixel	5 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QCIF (176 x 144)	1080p HD	720p HD	QVGA (320 x 240)
Front Camera	-	-	1 megapixel	2 megapixel	-
Weight	5.01 oz (142g)	3.46 oz (98g)	4.97 oz (141g)	5.17 oz (147g)	4.48 oz (127g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	3.96" x 2.03" x 0.55" (101 x 52 x 14 mm)	5.16" x 2.6" x 0.4" (131 x 66 x 10.2 mm)	4.92" x 2.51" x 0.45" (125 x 64 x 11.4 mm)	3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm)
Form Factor	Slab	Slide	Slab	Slab	Slide
Platform / OS	BlackBerry OS	(proprietary)	Android	Android	(proprietary)
Network Bands	CDMA: 850, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900
Data Technology	1xRTT	WCDMA (UMTS)	LTE (Cat 4)	HSPA+ 21	EVDO r0
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	-	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	-
Hearing Aid Compatible	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Ringer Profiles	Yes	Yes	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	-	n/a	n/a	-
USB	Yes	Yes	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	Yes
Ringer ID	n/a	Yes	n/a	n/a	Yes
Voice Dialing	n/a	Yes	n/a	n/a	Yes
Customization
Custom Graphics	n/a	Yes	n/a	n/a	Yes
Custom Ringtones	n/a	Yes	n/a	n/a	Yes
Real-Music Ringers	n/a	Yes	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	Yes
WAP / Web Browser	n/a	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	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	Yes
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	n/a	Yes
EMS / Picture Messaging	n/a	Yes	n/a	n/a	Yes
Instant Messaging	n/a	Yes	n/a	n/a	Yes
MMS	n/a	Yes	n/a	n/a	Yes
Text Messaging Templates	n/a	Yes	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	n/a	Yes	n/a	n/a	Yes
Photo & Video
Miracast	-	-	Yes	-	-
Productivity
Alarm	n/a	Yes	n/a	n/a	Yes
Calculator	n/a	Yes	n/a	n/a	Yes
Calendar	n/a	Yes	n/a	n/a	Yes
To-Do List	n/a	Yes	n/a	n/a	-
Voice Memo	n/a	-	n/a	n/a	Yes
Software
BREW	n/a	-	n/a	n/a	Yes
Games	n/a	Yes	n/a	n/a	Yes
Java (J2ME)	n/a	Yes	n/a	n/a	-
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	-	n/a	n/a	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	BlackBerry 7750	Samsung SGH-T819	Sharp Aquos Crystal	ZTE Sonata 2 / Paragon	Motorola Rival A455
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	Samsung SGH-T819	Sharp Aquos Crystal	ZTE Sonata 2 / Paragon	Motorola Rival A455