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Phone	Samsung SCH-A990	Sanyo SCP-3810 / Mirro	HTC EVO Design 4G / Hero S (CDMA)	Palm Treo 600 (CDMA)	Samsung SGH-X640
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.4" diag. 4 : 3	4" diag. 16 : 9	?	?
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	1,000 mAh	1,000 mAh	1,520 mAh	?	800 mAh
Processor	?	?	1.2 GHz Qualcomm Snapdragon S2 MSM8655	?	?
RAM	?	?	768 MB	?	?
Storage	? raw hardware	? raw hardware	4 GB	? raw hardware	? raw hardware
Main Camera	3 megapixel	1 megapixel	5 megapixel	Yes	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	720p HD	-	-
Front Camera	-	-	1 megapixel	-	-
Weight	4.4 oz (125g)	3.97 oz (112g)	5.22 oz (148g)	6.2 oz (176g)	3 oz (85g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	3.82" x 2.01" x 0.71" (97 x 51 x 18.1 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Clamshell
Platform / OS	(proprietary)	(proprietary)	Android	Palm OS	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	CDMA: 850, 1900	GSM: 900, 1800, 1900
Data Technology	EVDO r0	1xRTT	WiMAX	1xRTT	GPRS
Features
Flashlight	Yes	-	Yes	-	-
GPS / Location	Yes	Yes	n/a	n/a	-
Accessibility
Adjustable Text Size	-	Yes	n/a	n/a	-
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-	-
Multiple Languages	Yes	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	Yes	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	-
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	-	-	n/a	n/a	-
USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes	-
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	Yes	Yes	n/a	n/a	Yes
Ringer ID	Yes	Yes	n/a	n/a	Yes
Voice Dialing	Yes	Yes	n/a	n/a	-
Customization
Custom Graphics	Yes	Yes	n/a	n/a	Yes
Custom Ringtones	Yes	Yes	n/a	n/a	Yes
Real-Music Ringers	Yes	Yes	n/a	n/a	-
Data & Network
Data Tethering	Yes	Yes	n/a	n/a	-
WAP / Web Browser	Yes	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	-	Yes Capacitive	Yes	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	-
Messaging
Email Client	-	Yes	n/a	n/a	-
EMS / Picture Messaging	Yes	-	n/a	n/a	Yes
Instant Messaging	-	Yes	n/a	n/a	-
MMS	Yes	-	n/a	n/a	Yes
Text Messaging Templates	Yes	Yes	n/a	n/a	Yes
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	Yes	-	n/a	n/a	-
Stereo Speakers	Yes	-	-	-	-
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	Yes	-	-	-	-
Productivity
Alarm	Yes	Yes	n/a	n/a	Yes
Calculator	Yes	Yes	n/a	n/a	Yes
Calendar	Yes	Yes	n/a	n/a	Yes
To-Do List	-	Yes	n/a	n/a	Yes
Voice Memo	Yes	Yes	n/a	n/a	Yes
Software
BREW	Yes	-	n/a	n/a	-
Games	Yes	Yes	n/a	n/a	Yes
Java (J2ME)	-	Yes	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SCH-A990	Sanyo SCP-3810 / Mirro	HTC EVO Design 4G / Hero S (CDMA)	Palm Treo 600 (CDMA)	Samsung SGH-X640
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung SCH-A990	Sanyo SCP-3810 / Mirro	HTC EVO Design 4G / Hero S (CDMA)	Palm Treo 600 (CDMA)	Samsung SGH-X640