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Phone	Samsung SPH-A660 / VI660	Samsung Galaxy S II / SGH-i777	Motorola Q9m / Q9c	Samsung Trance SCH-U490	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. 5 : 3	2.4" diag. 4 : 3	2.1" diag. 4 : 3	4" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (Color)	480 x 800 pixels (~217 ppi) AMOLED	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	176 x 220 pixels (~134 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	?	1,650 mAh	1,170 mAh	?	1,500 mAh
Processor	?	1.2 GHz Samsung Exynos dual-core	PXA27x (ARM920T)	?	1 GHz Samsung Hummingbird Cortex A8
RAM	?	?	?	?	?
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	16 GB
Main Camera	-	8 megapixel	1 megapixel	1 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	?	-	WVGA / 480p
Front Camera	-	2 megapixel	-	-	Yes
Weight	3.54 oz (100g)	4.3 oz (122g)	4.76 oz (135g)	3.53 oz (100g)	4.62 oz (131g)
Dimensions	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm)	4.61" x 2.56" x 0.47" (117 x 65 x 11.9 mm)	4" x 1.97" x 0.55" (102 x 50 x 14 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)
Form Factor	Clamshell	Slab	Slab	Slide	Slab
Platform / OS	(proprietary)	Android	Windows Mobile Standard	(proprietary)	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G WiMAX: 41 CDMA: 850, 1900
Data Technology	1xRTT	HSPA+ 21	EVDO r0	1xRTT	WiMAX
Features
GPS / Location	Yes	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	Yes	n/a
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	Yes	-	-	Yes
USB	-	Yes Micro-USB	Yes Mini-USB	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	Yes	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes Capacitive	-	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	-	n/a	n/a	-	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	-	n/a	n/a	Yes	n/a
Text Messaging Templates	-	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	-	n/a	n/a	Yes	n/a
Stereo Speakers	-	-	Yes	-	-
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
BREW	-	n/a	n/a	Yes	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	-	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	Samsung SPH-A660 / VI660	Samsung Galaxy S II / SGH-i777	Motorola Q9m / Q9c	Samsung Trance SCH-U490	Samsung Nexus S 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-A660 / VI660	Samsung Galaxy S II / SGH-i777	Motorola Q9m / Q9c	Samsung Trance SCH-U490	Samsung Nexus S 4G