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Phone	HTC Amaze 4G	Samsung SPH-A660 / VI660	Palm Treo 600 (GSM)	Motorola T730 / T731c	Samsung Nexus S 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 16 : 9	?	?	?	4" diag. 5 : 3
Display Resolution & Type	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (Color)	160 x 160 pixels LCD (Color)	120 x 160 pixels LCD (STN)	480 x 800 pixels (~233 ppi) AMOLED
Display Refresh	60 Hz	?	?	?	60 Hz
Battery	1,730 mAh	?	?	750 mAh	1,500 mAh
Processor	1.5 GHz Qualcomm Snapdragon S3 dual-core	?	?	?	1 GHz Samsung Hummingbird Cortex A8
RAM	1 GB	?	?	?	?
Storage	16 GB	? raw hardware	? raw hardware	? raw hardware	16 GB
Main Camera	8 megapixel	-	Yes	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	-	-	-	WVGA / 480p
Front Camera	2 megapixel	-	-	-	Yes
Weight	6.1 oz (173g)	3.54 oz (100g)	5.92 oz (168g)	4.06 oz (115g)	4.62 oz (131g)
Dimensions	5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	3.54" x 1.87" x 0.91" (90 x 47 x 23.1 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slab
Platform / OS	Android	(proprietary)	Palm OS	(proprietary)	Android
Network Bands	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	4G WiMAX: 41 CDMA: 850, 1900
Data Technology	HSPA+ 42	1xRTT	GPRS	1xRTT	WiMAX
Features
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	Yes	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	-	-	Yes M4 (very compatible)
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	-	-	-	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	-	n/a	-	n/a
NFC	Yes	-	-	-	Yes
USB	Yes	-	Yes	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 a,b,g,n)	-	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	Yes	n/a	-	n/a
Ringer ID	n/a	Yes	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	-	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	Yes Capacitive	-	Yes	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	-	-
Messaging
Email Client	n/a	-	n/a	Yes	n/a
EMS / Picture Messaging	n/a	-	n/a	Yes	n/a
Instant Messaging	n/a	-	n/a	-	n/a
MMS	n/a	-	n/a	-	n/a
Text Messaging Templates	n/a	-	n/a	Yes	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	-	n/a	-	n/a
Photo & Video
DLNA	Yes	-	-	-	-
TV Output	Yes	-	-	-	-
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	Yes	n/a	-	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
BREW	n/a	-	n/a	Yes *	n/a
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	Yes	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	Yes	n/a
Speaker Phone	Yes	-	Yes	-	Yes
	* Some versions only
	HTC Amaze 4G	Samsung SPH-A660 / VI660	Palm Treo 600 (GSM)	Motorola T730 / T731c	Samsung Nexus S 4G
	X >	< X >	< X >	< X >	< X

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


Phone	HTC Amaze 4G	Samsung SPH-A660 / VI660	Palm Treo 600 (GSM)	Motorola T730 / T731c	Samsung Nexus S 4G