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Phone	ZTE Aspect	Motorola i830 / i833 / i835 / i836	Motorola Charm	Nokia N81	Samsung Vibrant (Galaxy S)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	?	2.8" diag. 4 : 3	2.4" diag. 4 : 3	4" diag. 5 : 3
Display Resolution & Type	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (TFT/TFD)	320 x 240 pixels (~143 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	1,000 mAh	?	1,170 mAh	1,050 mAh	1,500 mAh
Processor	230 MHz Qualcomm QSC6270	?	720 MHz TI OMAP3410	369 MHz ARM 11	1 GHz Samsung Hummingbird Cortex A8
RAM	128 MB	?	?	?	?
Storage	256 MB	? raw hardware	? raw hardware	8 GB *	16 GB
Main Camera	2 megapixel	-	3 megapixel	2 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	-	?	VGA (640 x 480)	720p HD
Front Camera	-	-	-	-	-
Weight	3.7 oz (105g)	3.94 oz (112g)	3.88 oz (110g)	4.94 oz (140g)	4.16 oz (118g)
Dimensions	4.55" x 2.4" x 0.45" (116 x 61 x 11.4 mm)	3.35" x 1.77" x 0.79" (85 x 45 x 20.1 mm)	3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm)	4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm)	4.82" x 2.54" x 0.39" (122 x 65 x 9.9 mm)
Form Factor	Slab	Clamshell	Slab	Slide	Slab
Platform / OS	(proprietary)	(proprietary)	Android	S60 (Symbian)	Android
Network Bands	WCDMA: 2, 4 GSM: 850, 900, 1800, 1900	iDEN: 800	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	WCDMA: 1 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900
Data Technology	WCDMA (UMTS)	-	HSDPA 3.6	EDGE	HSPA 7.2
Features
GPS / Location	Yes	Yes	n/a	n/a	n/a
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	-
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	Yes	Yes	-	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	Yes
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	-	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	Yes	-	n/a	n/a	n/a
Data & Network
Data Tethering	-	Yes	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	Yes	-	-
Touch Screen	-	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes *	Yes
Messaging
Email Client	Yes	-	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	Yes	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	-	n/a	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	Yes
Music Player	Yes	-	n/a	n/a	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
DLNA	-	-	-	-	Yes
Video Calling	-	-	n/a	n/a	n/a
Productivity
Alarm	Yes	-	n/a	n/a	n/a
Calculator	Yes	-	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	-	-	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	n/a
Push-To-Talk	-	Yes	-	Yes *	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Aspect	Motorola i830 / i833 / i835 / i836	Motorola Charm	Nokia N81	Samsung Vibrant (Galaxy S)
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Aspect	Motorola i830 / i833 / i835 / i836	Motorola Charm	Nokia N81	Samsung Vibrant (Galaxy S)