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Phone	Motorola Droid 2	Huawei Valiant	HTC Touch Pro2 (CDMA)	Samsung MM-A900 / SPH-A900 / Ace	Samsung Nexus S 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.7" diag. 16 : 9	4" diag. 5 : 3	3.6" diag. 5 : 3	?	4" diag. 5 : 3
Display Resolution & Type	480 x 854 pixels (~265 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED
Display Refresh	60 Hz	60 Hz	?	?	60 Hz
Battery	1,390 mAh	1,750 mAh	1,500 mAh	?	1,500 mAh
Processor	1 GHz TI OMAP3620	1 GHz Qualcomm Snapdragon S4 Play MSM8225	528 MHz MSM7600	?	1 GHz Samsung Hummingbird Cortex A8
RAM	?	768 MB	?	?	?
Storage	8 GB	4 GB	? raw hardware	? raw hardware	16 GB
Main Camera	5 megapixel	3 megapixel	3 megapixel	1 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	WVGA / 480p	WVGA / 480p	?	?	WVGA / 480p
Front Camera	-	-	-	-	Yes
Weight	5.96 oz (169g)	4.94 oz (140g)	6.35 oz (180g)	3.9 oz (111g)	4.62 oz (131g)
Dimensions	4.58" x 2.38" x 0.54" (116 x 61 x 13.7 mm)	4.96" x 2.52" x 0.45" (126 x 64 x 11.4 mm)	4.57" x 2.33" x 0.68" (116 x 59 x 17.3 mm)	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)
Form Factor	Slide	Slab	Slab	Clamshell	Slab
Platform / OS	Android	Android	Windows Mobile Professional	(proprietary)	Android
Network Bands	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G WiMAX: 41 CDMA: 850, 1900
Data Technology	EVDO rA	HSPA 7.2	EVDO rA	EVDO r0	WiMAX
Features
GPS / Location	n/a	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M4 (very compatible)
Multiple Languages	n/a	n/a	n/a	Yes	n/a
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	-	n/a
NFC	-	-	-	-	Yes
USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	Yes	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	n/a	Yes	n/a
Ringer ID	n/a	n/a	n/a	Yes	n/a
Voice Dialing	n/a	n/a	n/a	Yes	n/a
Customization
Custom Graphics	n/a	n/a	n/a	Yes	n/a
Custom Ringtones	n/a	n/a	n/a	Yes	n/a
Real-Music Ringers	n/a	n/a	n/a	-	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	-
Text Keyboard, Hardware	Yes	-	Yes	-	-
Touch Screen	Yes Capacitive	Yes Capacitive	Yes Resistive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	n/a	n/a	n/a	-	n/a
Instant Messaging	n/a	n/a	n/a	-	n/a
MMS	n/a	n/a	n/a	-	n/a
Text Messaging Templates	n/a	n/a	n/a	Yes	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	Yes
Music Player	n/a	n/a	n/a	Yes	n/a
Photo & Video
DLNA	Yes	-	-	-	-
TV Output	-	-	Yes	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	n/a
Calculator	n/a	n/a	n/a	Yes	n/a
Calendar	n/a	n/a	n/a	Yes	n/a
To-Do List	n/a	n/a	n/a	Yes	n/a
Voice Memo	n/a	n/a	n/a	Yes	n/a
Software
Games	n/a	n/a	n/a	Yes	n/a
Java (J2ME)	n/a	n/a	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Motorola Droid 2	Huawei Valiant	HTC Touch Pro2 (CDMA)	Samsung MM-A900 / SPH-A900 / Ace	Samsung Nexus S 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Droid 2	Huawei Valiant	HTC Touch Pro2 (CDMA)	Samsung MM-A900 / SPH-A900 / Ace	Samsung Nexus S 4G