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Specifications
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Phone	Motorola Droid	HTC G2	Samsung Knack U310	Samsung Vibrant (Galaxy S)	Motorola Citrus
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.7" diag. 16 : 9	3.7" diag. 5 : 3	2.2" diag. 4 : 3	4" diag. 5 : 3	3" diag. 4 : 3
Display Resolution & Type	480 x 854 pixels (~268 ppi) LCD (TFT/TFD)	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	240 x 320 pixels (~133 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	?	60 Hz	60 Hz
Battery	1,400 mAh	1,300 mAh	1,000 mAh	1,500 mAh	1,150 mAh
Processor	550 MHz TI OMAP 3430 (ARM Cortex A8)	800 MHz Qualcomm S2 MSM7230	?	1 GHz Samsung Hummingbird Cortex A8	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	16 GB	? raw hardware
Main Camera	5 megapixel	5 megapixel	-	5 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	WVGA / 480p	720p HD	-	720p HD	CIF (352 x 288)
Front Camera	-	-	-	-	-
Weight	5.99 oz (170g)	6.5 oz (184g)	3.63 oz (103g)	4.16 oz (118g)	3.88 oz (110g)
Dimensions	4.55" x 2.35" x 0.55" (116 x 60 x 14 mm)	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.82" x 2.54" x 0.39" (122 x 65 x 9.9 mm)	4.09" x 2.32" x 0.59" (104 x 59 x 15 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	Android	Android	(proprietary)	Android	Android
Network Bands	CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	EVDO rA	HSPA 14.4	-	HSPA 7.2	EVDO r0
Features
GPS / Location	n/a	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	Yes	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	-
Alerts
Extra Display	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Mobile Hotspot	n/a	n/a	-	n/a	n/a
USB	Yes Micro-USB	Yes	-	Yes Micro-USB	Yes Micro-USB
Wi-Fi	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-	Yes	Yes 802.11 b,g
Contacts
Picture ID	n/a	n/a	-	n/a	n/a
Ringer ID	n/a	n/a	-	n/a	n/a
Voice Dialing	n/a	n/a	Yes	n/a	n/a
Customization
Custom Graphics	n/a	n/a	-	n/a	n/a
Custom Ringtones	n/a	n/a	-	n/a	n/a
Real-Music Ringers	n/a	n/a	-	n/a	n/a
Data & Network
External Antenna Jack	n/a	n/a	-	n/a	n/a
WAP / Web Browser	n/a	n/a	-	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	Yes	-	-	-
Touch Screen	Yes Capacitive	Yes Capacitive	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	n/a	n/a	-	n/a	n/a
EMS / Picture Messaging	n/a	n/a	Yes	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	n/a
Music
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	Yes
Music Player	n/a	n/a	-	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
Productivity
Alarm	n/a	n/a	Yes	n/a	n/a
Calculator	n/a	n/a	Yes	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
Voice Memo	n/a	n/a	-	n/a	n/a
Software
Games	n/a	n/a	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Motorola Droid	HTC G2	Samsung Knack U310	Samsung Vibrant (Galaxy S)	Motorola Citrus
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Droid	HTC G2	Samsung Knack U310	Samsung Vibrant (Galaxy S)	Motorola Citrus