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Phone	Samsung MM-A900 / SPH-A900 / Ace	Samsung Nexus S 4G	HTC Touch Pro2 (GSM) / Tilt 2	Samsung Transform	LG Shine CU720
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	3.6" diag. 5 : 3	3.5" diag. 5 : 3	2.2" diag. 4 : 3
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	?	1,500 mAh	1,500 mAh	1,500 mAh	900 mAh
Processor	?	1 GHz Samsung Hummingbird Cortex A8	528 MHz Qualcomm MSM7200A	800 MHz Samsung S3C6410, Qualcomm QSC6085	?
RAM	?	?	?	?	?
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	5 megapixel	3 megapixel	3 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	WVGA / 480p	?	QVGA (320 x 240)	QVGA (320 x 240)
Front Camera	-	Yes	-	Yes	-
Weight	3.9 oz (111g)	4.62 oz (131g)	6.61 oz (187g)	5.37 oz (152g)	4.28 oz (121g)
Dimensions	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	4.59" x 2.36" x 0.68" (117 x 60 x 17.3 mm)	4.61" x 2.42" x 0.61" (117 x 61 x 15.5 mm)	3.93" x 1.99" x 0.59" (100 x 51 x 15.1 mm)
Form Factor	Clamshell	Slab	Slab	Slide	Slide
Platform / OS	(proprietary)	Android	Windows Mobile Professional	Android	(proprietary)
Network Bands	CDMA: 850, 1900	4G WiMAX: 41 CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	WiMAX	HSPA 7.2	EVDO rA	HSDPA 3.6
Features
GPS / Location	Yes	n/a	n/a	n/a	-
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes M4 (very compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	n/a	-
NFC	-	Yes	-	-	-
USB	Yes	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	Yes	n/a	n/a	n/a	Yes
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	-	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	Yes
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	-
Text Keyboard, Hardware	-	-	Yes	Yes	-
Touch Screen	-	Yes Capacitive	Yes	Yes Capacitive	-
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	n/a	Yes
Instant Messaging	-	n/a	n/a	n/a	Yes
MMS	-	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	Yes	n/a	n/a	n/a	Yes
Photo & Video
TV Output	-	-	Yes	-	-
Video Calling	-	n/a	n/a	n/a	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	Yes	n/a	n/a	n/a	Yes
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
Games	Yes	n/a	n/a	n/a	Yes
Java (J2ME)	Yes	n/a	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	-
Push-To-Talk	-	-	Yes *	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung MM-A900 / SPH-A900 / Ace	Samsung Nexus S 4G	HTC Touch Pro2 (GSM) / Tilt 2	Samsung Transform	LG Shine CU720
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung MM-A900 / SPH-A900 / Ace	Samsung Nexus S 4G	HTC Touch Pro2 (GSM) / Tilt 2	Samsung Transform	LG Shine CU720