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Specifications
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Phone	Samsung Wafer R510	BlackBerry 7750	Motorola i530	Apple iPhone 4 (CDMA)	Samsung Droid Charge
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.9" diag. 4 : 3	?	?	3.5" diag. 5 : 3	4.3" diag. 5 : 3
Display Resolution & Type	220 x 176 pixels (~148 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	?	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	800 mAh	?	?	?	1,500 mAh
Processor	?	?	?	?	1 GHz Samsung Hummingbird
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB *	? raw hardware
Main Camera	1 megapixel	-	-	5 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	-	720p HD	720p HD
Front Camera	-	-	-	Yes	1 megapixel
Weight	2.47 oz (70g)	5.01 oz (142g)	5.5 oz (156g)	4.8 oz (136g)	5.06 oz (144g)
Dimensions	4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	3.7" x 2.13" x 1.26" (94 x 54 x 32 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	5.1" x 2.68" x 0.46" (130 x 68 x 11.7 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	BlackBerry OS	(proprietary)	iOS	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	iDEN: 800	CDMA: 850, 1900	4G LTE: 13 CDMA: 850, 1900
Data Technology	EVDO r0	1xRTT	-	EVDO rA	LTE (Cat 3)
Features
GPS / Location	Yes	n/a	Yes	n/a	n/a
Ruggedized	-	-	Yes	-	-
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes	-	-	Yes	Yes
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	-	Yes
Alerts
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	-	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	-	Yes	Yes	Yes	Yes Micro-USB
Wi-Fi	-	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	-	n/a	n/a
Ringer ID	-	n/a	Yes	n/a	n/a
Voice Dialing	Yes	n/a	Yes	n/a	n/a
Customization
Custom Graphics	Yes	n/a	-	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	-	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	-	-	-
Touch Screen	-	-	-	Yes	Yes
Memory
Memory Card Slot	Yes	-	-	-	Yes
Messaging
Email Client	-	n/a	-	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	-	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	Yes	n/a	-	n/a	n/a
Stereo Speakers	Yes	-	-	-	-
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	Yes	Yes
Video Calling	-	n/a	-	n/a	n/a
Productivity
Alarm	Yes	n/a	-	n/a	n/a
Calculator	Yes	n/a	-	n/a	n/a
Calendar	Yes	n/a	-	n/a	n/a
To-Do List	-	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
BREW	Yes	n/a	-	n/a	n/a
Games	Yes	n/a	-	n/a	n/a
Java (J2ME)	-	n/a	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	Yes	n/a	n/a
Push-To-Talk	-	-	Yes	-	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	Samsung Wafer R510	BlackBerry 7750	Motorola i530	Apple iPhone 4 (CDMA)	Samsung Droid Charge
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Wafer R510	BlackBerry 7750	Motorola i530	Apple iPhone 4 (CDMA)	Samsung Droid Charge