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Phone	Samsung Galaxy S6 (GSM)	Palm Treo 650 (CDMA)	Motorola Rival A455	Apple iPhone 4 (GSM)	BlackBerry 7750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	5.1" diag. 16 : 9	?	2.2" diag. 4 : 3	3.5" diag. 5 : 3	?
Display Resolution & Type	1440 x 2560 pixels (~576 ppi) AMOLED	320 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels (~131 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	2,550 mAh	?	940 mAh	?	?
Processor	2.1 GHz Samsung Exynos 7420	312 MHz Intel XScale PXA270	?	Apple A4	?
RAM	3 GB	?	?	?	?
Storage	32 GB *	? raw hardware	? raw hardware	32 GB *	? raw hardware
Main Camera	16 megapixel	Yes	2 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	4K UHD	QVGA (320 x 240)	QVGA (320 x 240)	720p HD	-
Front Camera	5 megapixel	-	-	Yes	-
Weight	4.87 oz (138g)	6.3 oz (179g)	4.48 oz (127g)	4.8 oz (136g)	5.01 oz (142g)
Dimensions	5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)
Form Factor	Slab	Slab	Slide	Slab	Slab
Platform / OS	Android	Palm OS	(proprietary)	iOS	BlackBerry OS
Network Bands	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	LTE (Cat 6)	1xRTT	EVDO r0	HSPA 7.2	1xRTT
Features
Fingerprint Reader	Yes	-	-	-	-
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	n/a	Yes	n/a	n/a
VR-ready	Yes	-	-	-	-
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, 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
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Infrared (IR)	Yes	Yes	-	-	-
MirrorLink	Yes	-	-	-	-
Mobile Hotspot	n/a	n/a	-	n/a	n/a
NFC	Yes	-	-	-	-
USB	Yes Micro-USB	-	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 5 (802.11 a,ac,b,g,n)	-	-	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	Yes	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	-	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	Yes	-	Yes
Touch Screen	Yes Capacitive	Yes	Yes	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	-	-
Messaging
Email Client	n/a	n/a	Yes	n/a	n/a
EMS / Picture Messaging	n/a	n/a	Yes	n/a	n/a
Instant Messaging	n/a	n/a	Yes	n/a	n/a
MMS	n/a	n/a	Yes	n/a	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	-
Music Player	n/a	n/a	Yes	n/a	n/a
Photo & Video
DLNA	Yes	-	-	-	-
Miracast	Yes	-	-	-	-
TV Output	Yes	-	-	Yes	-
Power
Fast Charging	Yes	-	-	-	-
Wireless Charging	Yes	-	-	-	-
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	-	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
BREW	n/a	n/a	Yes	n/a	n/a
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	-	n/a	n/a
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	n/a	-	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Samsung Galaxy S6 (GSM)	Palm Treo 650 (CDMA)	Motorola Rival A455	Apple iPhone 4 (GSM)	BlackBerry 7750
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Galaxy S6 (GSM)	Palm Treo 650 (CDMA)	Motorola Rival A455	Apple iPhone 4 (GSM)	BlackBerry 7750