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Phone	Samsung SCH-A990	Samsung SPH-N270 (Matrix Phone)	HTC EVO 4G	Casio G'zOne Ravine	Huawei M835
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	4.3" diag. 5 : 3	2.2" diag. 4 : 3	2.8" diag. 4 : 3
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	1,000 mAh	1,000 mAh	1,500 mAh	1,140 mAh	1,200 mAh
Processor	?	?	1 GHz Qualcomm Snapdragon S1 QSD8650	?	528 MHz Qualcomm MSM7625
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	3 megapixel	-	8 megapixel	3 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	720p HD	?	?
Front Camera	-	-	Yes	-	-
Weight	4.4 oz (125g)	4.66 oz (132g)	6 oz (170g)	4.6 oz (130g)	3.88 oz (110g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm)	4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm)	4.3" x 2.1" x 0.9" (109 x 53 x 22.9 mm)	4.09" x 2.15" x 0.53" (104 x 55 x 13.5 mm)
Form Factor	Clamshell	Slide	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	Android	(proprietary)	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	4G WiMAX: 41 CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1700, 1900
Data Technology	EVDO r0	-	WiMAX	EVDO rA	EVDO rA
Features
Flashlight	Yes	-	-	Yes	-
GPS / Location	Yes	Yes	n/a	Yes	n/a
Ruggedized	-	-	-	Yes	-
Water-Resistant	-	-	-	Yes	-
Accessibility
Adjustable Text Size	-	-	n/a	Yes	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	Yes	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	-	n/a
USB	Yes	-	Yes	Yes	Yes
Wi-Fi	-	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	Yes	Yes	n/a	Yes	n/a
Customization
Custom Graphics	Yes	-	n/a	Yes	n/a
Custom Ringtones	Yes	-	n/a	Yes	n/a
Real-Music Ringers	Yes	-	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	-	n/a	Yes	n/a
WAP / Web Browser	Yes	-	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	-	Yes	Yes	Yes
Touch Screen	-	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	-	-	n/a	Yes	n/a
EMS / Picture Messaging	Yes	-	n/a	Yes	n/a
Instant Messaging	-	-	n/a	Yes	n/a
MMS	Yes	-	n/a	Yes	n/a
Text Messaging Templates	Yes	-	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	Yes	-	n/a	Yes	n/a
Stereo Speakers	Yes	-	-	-	-
Photo & Video
TV Output	Yes	-	Yes	-	-
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	-	Yes	n/a	-	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	Yes	-	n/a	Yes	n/a
Games	Yes	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	Yes	n/a
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	Samsung SCH-A990	Samsung SPH-N270 (Matrix Phone)	HTC EVO 4G	Casio G'zOne Ravine	Huawei M835
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A990	Samsung SPH-N270 (Matrix Phone)	HTC EVO 4G	Casio G'zOne Ravine	Huawei M835