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Phone	Samsung Trance SCH-U490	Samsung SPH-A660 / VI660	HP iPAQ Glisten	LG Shine CU720	Samsung Sidekick 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.1" diag. 4 : 3	?	2.5" diag. 4 : 3	2.2" diag. 4 : 3	3.5" diag. 5 : 3
Display Resolution & Type	176 x 220 pixels (~134 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (Color)	320 x 240 pixels (~160 ppi) AMOLED	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	?	?	1,590 mAh	900 mAh	?
Processor	?	?	528 MHz Qualcomm MSM7200a (ARM11)	?	1 GHz Samsung Hummingbird Cortex A8
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	-	3 megapixel	2 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	QVGA (320 x 240)	QVGA (320 x 240)	WVGA / 480p
Front Camera	-	-	-	-	Yes
Weight	3.53 oz (100g)	3.54 oz (100g)	5.29 oz (150g)	4.28 oz (121g)	5.7 oz (162g)
Dimensions	4" x 1.97" x 0.55" (102 x 50 x 14 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	4.44" x 2.47" x 0.53" (113 x 63 x 13.4 mm)	3.93" x 1.99" x 0.59" (100 x 51 x 15.1 mm)	5" x 2.42" x 0.6" (127 x 61 x 15.2 mm)
Form Factor	Slide	Clamshell	Slab	Slide	Slide
Platform / OS	(proprietary)	(proprietary)	Windows Mobile Professional	(proprietary)	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	1xRTT	HSDPA 3.6	HSDPA 3.6	HSPA+ 21
Features
GPS / Location	Yes	Yes	n/a	-	n/a
Accessibility
Adjustable Text Size	Yes	-	n/a	-	n/a
Hearing Aid Compatible	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	-	n/a
USB	Yes	-	Yes Micro-USB	Yes	Yes Micro-USB
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	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	Yes	-	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	Yes	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	-
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	-	-	Yes Resistive	-	Yes
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	-	-	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
Headphone Jack (3.5mm)	Yes	-	Yes	-	Yes
Music Player	Yes	-	n/a	Yes	n/a
Photo & Video
DLNA	-	-	-	-	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	Yes	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	Yes	-	n/a	-	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	-	Yes	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	-	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	Samsung Trance SCH-U490	Samsung SPH-A660 / VI660	HP iPAQ Glisten	LG Shine CU720	Samsung Sidekick 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Trance SCH-U490	Samsung SPH-A660 / VI660	HP iPAQ Glisten	LG Shine CU720	Samsung Sidekick 4G