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Phone	BlackBerry 7750	Samsung SGH-X640	Sanyo MM-5600	LG G Flex2 (GSM)	Apple iPhone 4 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	5.5" diag. 16 : 9	3.5" diag. 5 : 3
Display Resolution & Type	240 x 240 pixels LCD (Color)	128 x 160 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~401 ppi) AMOLED	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	?	800 mAh	1,000 mAh	3,000 mAh	?
Processor	?	?	?	Qualcomm Snapdragon 810	?
RAM	?	?	?	3 GB *	?
Storage	? raw hardware	? raw hardware	? raw hardware	32 GB *	8 GB *
Main Camera	-	Yes	1 megapixel	13 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	?	4K UHD	720p HD
Front Camera	-	-	-	2 megapixel	Yes
Weight	5.01 oz (142g)	3 oz (85g)	4.52 oz (128g)	5.36 oz (152g)	4.8 oz (136g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.66" x 1.91" x 1.04" (93 x 49 x 26.4 mm)	5.87" x 2.96" x 0.35" (149 x 75 x 8.9 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)
Form Factor	Slab	Clamshell	Clamshell	Slab	Slab
Platform / OS	BlackBerry OS	(proprietary)	(proprietary)	Android	iOS
Network Bands	CDMA: 850, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 1, 2, 3, 4, 5, 7, 12, 17, 29 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	GPRS	1xRTT	LTE (Cat 4)	EVDO rA
Features
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	-	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	-	n/a	n/a
Hearing Aid Compatible	-	-	Yes M4 (very compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	-	-	-	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	n/a	-	-	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes	-	Yes	Yes Micro-USB	Yes
Wi-Fi	-	-	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 b,g,n)
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	n/a	n/a
Customization
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	n/a	n/a
Data & Network
Data Tethering	n/a	-	-	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
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	-	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	Yes	-
Messaging
Email Client	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	n/a	Yes	-	n/a	n/a
Text Messaging Templates	n/a	Yes	-	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	n/a	-	Yes	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
Miracast	-	-	-	Yes	-
TV Output	-	-	-	Yes	Yes
Video Calling	n/a	-	-	n/a	n/a
Power
Fast Charging	-	-	-	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	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
Call Screening	-	-	Yes	-	-
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	Yes	Yes	n/a	n/a
Push-To-Talk	-	-	Yes	-	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	BlackBerry 7750	Samsung SGH-X640	Sanyo MM-5600	LG G Flex2 (GSM)	Apple iPhone 4 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	Samsung SGH-X640	Sanyo MM-5600	LG G Flex2 (GSM)	Apple iPhone 4 (CDMA)