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Phone	Motorola i450 / i455	Samsung SGH-X640	Nokia N8-00	ZTE Flash	Nokia N73
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	3.5" diag. 16 : 9	4.5" diag. 16 : 9	?
Display Resolution & Type	130 x 130 pixels LCD (STN)	128 x 160 pixels LCD (TFT/TFD)	360 x 640 pixels (~210 ppi) AMOLED	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	?	800 mAh	1,200 mAh	1,780 mAh	1,100 mAh
Processor	?	?	680 MHz ARM 11	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	16 GB	8 GB	? raw hardware
Main Camera	-	Yes	12 megapixel	12 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	720p HD	1080p HD	CIF (352 x 288)
Front Camera	-	-	Yes	1 megapixel	-
Weight	4.5 oz (128g)	3 oz (85g)	4.76 oz (135g)	5.2 oz (147g)	4.09 oz (116g)
Dimensions	3.5" x 2" x 1.1" (89 x 51 x 27.9 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.47" x 2.32" x 0.51" (113 x 59 x 12.9 mm)	5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm)	4.33" x 1.93" x 0.75" (110 x 49 x 19.1 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Symbian^3	Android	S60 (Symbian)
Network Bands	iDEN: 800	GSM: 900, 1800, 1900	WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	4G LTE: 25 CDMA: 800, 850, 1900	WCDMA: 1 GSM: 850, 900, 1800, 1900
Data Technology	-	GPRS	HSPA 10.1	LTE (Cat 3)	EDGE
Features
GPS / Location	Yes	-	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	-	Yes M4, T4 (very 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
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes	-	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
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
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	-	n/a	n/a	n/a
EMS / Picture Messaging	-	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	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	Yes	-	Yes
FM Transmitter	-	-	n/a	n/a	n/a
Headphone Jack (3.5mm)	-	-	Yes	Yes	-
Music Player	-	-	n/a	n/a	n/a
Stereo Speakers	-	-	-	-	Yes
Photo & Video
TV Output	-	-	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	-	Yes	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
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	Yes	n/a	n/a	n/a
Push-To-Talk	Yes	-	-	-	Yes *
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola i450 / i455	Samsung SGH-X640	Nokia N8-00	ZTE Flash	Nokia N73
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola i450 / i455	Samsung SGH-X640	Nokia N8-00	ZTE Flash	Nokia N73