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Phone	Samsung Sidekick 4G	Motorola Electrify 2	HTC SDA (USA) / SP5m (Tornado)	Samsung SCH-A990	Samsung Wafer R510
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	4.3" diag. 16 : 9	2.2" diag. 4 : 3	?	1.9" diag. 4 : 3
Display Resolution & Type	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	220 x 176 pixels (~148 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	?	?	?
Battery	?	1,780 mAh	?	1,000 mAh	800 mAh
Processor	1 GHz Samsung Hummingbird Cortex A8	?	?	?	?
RAM	?	1 GB	?	?	?
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	3 megapixel	8 megapixel	1 megapixel	3 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	WVGA / 480p	1080p HD	QCIF (176 x 144)	?	?
Front Camera	Yes	Yes	-	-	-
Weight	5.7 oz (162g)	4.59 oz (130g)	3.74 oz (106g)	4.4 oz (125g)	2.47 oz (70g)
Dimensions	5" x 2.42" x 0.6" (127 x 61 x 15.2 mm)	5.06" x 2.59" x 0.33" (128 x 66 x 8.4 mm)	4.53" x 1.82" x 0.69" (115 x 46 x 17.5 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm)
Form Factor	Slide	Slab	Slab	Clamshell	Slab
Platform / OS	Android	Android	Windows Mobile Standard	(proprietary)	(proprietary)
Network Bands	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	WCDMA: 1, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	HSPA+ 21	EVDO rA	EDGE	EVDO r0	EVDO r0
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	n/a	n/a	Yes	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	-
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	n/a	n/a	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes Mini-USB	Yes	-
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	Yes	-	-
Contacts
Picture ID	n/a	n/a	n/a	Yes	Yes
Ringer ID	n/a	n/a	n/a	Yes	-
Voice Dialing	n/a	n/a	n/a	Yes	Yes
Customization
Custom Graphics	n/a	n/a	n/a	Yes	Yes
Custom Ringtones	n/a	n/a	n/a	Yes	Yes
Real-Music Ringers	n/a	n/a	n/a	Yes	-
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	-
External Antenna Jack	n/a	n/a	n/a	-	-
WAP / Web Browser	n/a	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes	Yes Capacitive	-	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	n/a	-	-
EMS / Picture Messaging	n/a	n/a	n/a	Yes	-
Instant Messaging	n/a	n/a	n/a	-	-
MMS	n/a	n/a	n/a	Yes	Yes
Text Messaging Templates	n/a	n/a	n/a	Yes	-
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	-	-	-
Music Player	n/a	n/a	n/a	Yes	Yes
Stereo Speakers	-	-	-	Yes	Yes
Photo & Video
DLNA	Yes	Yes	-	-	-
TV Output	-	-	-	Yes	-
Productivity
Alarm	n/a	n/a	n/a	Yes	Yes
Calculator	n/a	n/a	n/a	Yes	Yes
Calendar	n/a	n/a	n/a	Yes	Yes
To-Do List	n/a	n/a	n/a	-	-
Voice Memo	n/a	n/a	n/a	Yes	Yes
Software
BREW	n/a	n/a	n/a	Yes	Yes
Games	n/a	n/a	n/a	Yes	Yes
Java (J2ME)	n/a	n/a	n/a	-	-
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung Sidekick 4G	Motorola Electrify 2	HTC SDA (USA) / SP5m (Tornado)	Samsung SCH-A990	Samsung Wafer R510
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Sidekick 4G	Motorola Electrify 2	HTC SDA (USA) / SP5m (Tornado)	Samsung SCH-A990	Samsung Wafer R510