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Phone	HTC G2	Samsung SGH-X640	Samsung SGH-A657	Samsung SGH-T809 / SGH-D820	Nokia N82
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.7" diag. 5 : 3	?	?	?	2.4" diag. 4 : 3
Display Resolution & Type	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,300 mAh	800 mAh	1,420 mAh	?	1,050 mAh
Processor	800 MHz Qualcomm S2 MSM7230	?	?	?	332 MHz ARM 11
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	Yes	-	1 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	-	CIF (352 x 288)	VGA (640 x 480)
Front Camera	-	-	-	-	-
Weight	6.5 oz (184g)	3 oz (85g)	4.34 oz (123g)	3.35 oz (95g)	4.02 oz (114g)
Dimensions	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm)	3.9" x 2" x 0.58" (99 x 51 x 14.7 mm)	4.41" x 1.98" x 0.68" (112 x 50 x 17.3 mm)
Form Factor	Slab	Clamshell	Slab	Slide	Slab
Platform / OS	Android	(proprietary)	(proprietary)	(proprietary)	S60 (Symbian)
Network Bands	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1 GSM: 850, 900, 1800, 1900 *
Data Technology	HSPA 14.4	GPRS	HSDPA 3.6	EDGE	EDGE
Features
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	-	Yes	-	n/a
Ruggedized	-	-	Yes	-	-
Accessibility
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	-	Yes M3 (mostly compatible)	-
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	-	-	Yes	Yes	-
Alerts
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	n/a	-	-	-	n/a
USB	Yes	-	Yes	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	-	Yes 802.11 b,g
Contacts
Picture ID	n/a	Yes	Yes	Yes	n/a
Ringer ID	n/a	Yes	Yes	Yes	n/a
Voice Dialing	n/a	-	-	-	n/a
Customization
Custom Graphics	n/a	Yes	Yes	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	-	Yes	Yes	n/a
Data & Network
Data Tethering	n/a	-	Yes	Yes	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes Capacitive	-	-	-	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	Yes	-	n/a
EMS / Picture Messaging	n/a	Yes	-	Yes	n/a
Instant Messaging	n/a	-	Yes	Yes	n/a
MMS	n/a	Yes	Yes	Yes	n/a
Text Messaging Templates	n/a	Yes	Yes	Yes	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	-	Yes	Yes	n/a
Stereo Speakers	-	-	-	Yes	Yes
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	-	Yes
Video Calling	n/a	-	-	-	n/a
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	Yes	Yes	Yes	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	Yes	Yes	Yes	n/a
Voice Memo	n/a	Yes	Yes	Yes	n/a
Software
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	Yes	Yes	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	-	-	n/a
Push-To-Talk	-	-	Yes	-	Yes *
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	HTC G2	Samsung SGH-X640	Samsung SGH-A657	Samsung SGH-T809 / SGH-D820	Nokia N82
	X >	< X >	< X >	< X >	< X

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


Phone	HTC G2	Samsung SGH-X640	Samsung SGH-A657	Samsung SGH-T809 / SGH-D820	Nokia N82