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Phone	Samsung SGH-A717	HTC ThunderBolt	Ericsson T66	HTC Dash / S620 / S621 (Excalibur)	HTC Touch Pro2 (GSM) / Tilt 2
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.3" diag. 5 : 3	?	?	3.6" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	?	320 x 240 pixels LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	?	1,400 mAh	?	960 mAh	1,500 mAh
Processor	?	1 GHz Qualcomm Snapdragon S2 MSM8655	?	200 MHz OMAP 850	528 MHz Qualcomm MSM7200A
RAM	?	768 MB	?	?	?
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	2 megapixel	8 megapixel	-	1 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	720p HD	-	?	?
Front Camera	-	1 megapixel	-	-	-
Weight	3.31 oz (94g)	5.78 oz (164g)	2.08 oz (59g)	4.23 oz (120g)	6.61 oz (187g)
Dimensions	4.07" x 2.15" x 0.55" (103 x 55 x 14 mm)	4.8" x 2.6" x 0.52" (122 x 66 x 13.2 mm)	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	4.39" x 2.46" x 0.51" (112 x 62 x 13 mm)	4.59" x 2.36" x 0.68" (117 x 60 x 17.3 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	Windows Mobile Standard	Windows Mobile Professional
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 13 CDMA: 850, 1900	GSM: 900, 1800, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *
Data Technology	HSDPA 1.8	LTE (Cat 3)	-	EDGE	HSPA 7.2
Features
Flashlight	-	Yes	-	-	-
GPS / Location	-	n/a	-	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes	-	-	-
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	Yes	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	Yes	Yes Micro-USB	-	Yes	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g	Yes 802.11 b,g
Contacts
Picture ID	Yes	n/a	-	n/a	n/a
Ringer ID	Yes	n/a	-	n/a	n/a
Voice Dialing	-	n/a	-	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	Yes	n/a	-	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	-	n/a	n/a
External Antenna Jack	-	n/a	-	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
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	-	-	-	Yes	Yes
Touch Screen	-	Yes Capacitive	-	-	Yes
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	Yes	n/a	-	n/a	n/a
EMS / Picture Messaging	-	n/a	Yes	n/a	n/a
Instant Messaging	Yes	n/a	-	n/a	n/a
MMS	Yes	n/a	-	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	Yes	n/a	-	n/a	n/a
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	-	-	-	Yes
Video Calling	-	n/a	-	n/a	n/a
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	Yes	n/a	Yes	n/a	n/a
Voice Memo	Yes	n/a	-	n/a	n/a
Software
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	-	n/a	n/a
Voice
Push-To-Talk	-	-	-	-	Yes *
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	Samsung SGH-A717	HTC ThunderBolt	Ericsson T66	HTC Dash / S620 / S621 (Excalibur)	HTC Touch Pro2 (GSM) / Tilt 2
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-A717	HTC ThunderBolt	Ericsson T66	HTC Dash / S620 / S621 (Excalibur)	HTC Touch Pro2 (GSM) / Tilt 2