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Phone	Samsung SGH-X640	Sony Ericsson T68i	Nokia N78	Motorola V551 / V330 / V547 / V555 / V557	HTC G2
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	2.4" diag. 4 : 3	?	3.7" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	101 x 80 pixels LCD (STN)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	800 mAh	700 mAh	1,200 mAh	820 mAh	1,300 mAh
Processor	?	?	369 MHz ARM 11	?	800 MHz Qualcomm S2 MSM7230
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	Yes	-	3 megapixel	Yes	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	VGA (640 x 480)	?	720p HD
Front Camera	-	-	-	-	-
Weight	3 oz (85g)	2.96 oz (84g)	3.59 oz (102g)	4.23 oz (120g)	6.5 oz (184g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.94" x 1.89" x 0.79" (100 x 48 x 20.1 mm)	4.45" x 1.93" x 0.59" (113 x 49 x 15.1 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	S60 (Symbian)	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	GSM: 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	GPRS	HSDPA 3.6	EDGE	HSPA 14.4
Features
GPS / Location	-	-	n/a	-	n/a
Accessibility
Hearing Aid Compatible	-	-	-	-	Yes M3 (mostly compatible)
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	-	-	Yes	-
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	-	n/a	-	n/a
USB	-	-	Yes Micro-USB	Yes	Yes
Wi-Fi	-	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	-	Yes	n/a	Yes	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	-	n/a	Yes	n/a
Data & Network
Data Tethering	-	Yes	n/a	Yes	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	-	-	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	-	Yes
Messaging
Email Client	-	Yes	n/a	Yes	n/a
EMS / Picture Messaging	Yes	Yes	n/a	Yes	n/a
Instant Messaging	-	-	n/a	Yes	n/a
MMS	Yes	Yes	n/a	Yes	n/a
Text Messaging Templates	Yes	Yes	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
FM Transmitter	-	-	n/a	-	n/a
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	-	n/a	-	n/a
Stereo Speakers	-	-	Yes	-	-
Photo & Video
TV Output	-	-	Yes	-	-
Video Calling	-	-	n/a	-	n/a
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	Yes	Yes	n/a	-	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	Yes	-	n/a	Yes	n/a
Push-To-Talk	-	-	Yes *	-	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Sony Ericsson T68i	Nokia N78	Motorola V551 / V330 / V547 / V555 / V557	HTC G2
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Sony Ericsson T68i	Nokia N78	Motorola V551 / V330 / V547 / V555 / V557	HTC G2