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Phone	Samsung SGH-X450	Alcatel Dawn	Samsung SPH-N270 (Matrix Phone)	Samsung SGH-X820	ZTE Grand X
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.5" diag. 16 : 9	?	?	5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (Color)	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	220 x 176 pixels LCD (TFT/TFD)	540 x 960 pixels (~220 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	?	1,780 mAh	1,000 mAh	650 mAh	2,300 mAh
Processor	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	?	1.2 GHz Qualcomm Snapdragon 200 MSM8210
RAM	?	1 GB	?	?	1 GB
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	4 GB
Main Camera	-	5 megapixel	-	2 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	-	?	720p HD
Front Camera	-	Yes	-	-	1 megapixel
Weight	2.8 oz (79g)	5.08 oz (144g)	4.66 oz (132g)	2.33 oz (66g)	6.06 oz (172g)
Dimensions	3.3" x 1.8" x 0.8" (84 x 46 x 20.3 mm)	5.2" x 2.56" x 0.4" (132 x 65 x 10.1 mm)	4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm)	4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm)	5.7" x 2.87" x 0.37" (145 x 73 x 9.4 mm)
Form Factor	Clamshell	Slab	Slide	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	4G LTE: 25, 26, 41 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	GSM: 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	LTE (Cat 4)	-	EDGE	HSPA+ 21
Features
GPS / Location	-	n/a	Yes	-	n/a
Accessibility
Adjustable Text Size	-	n/a	-	-	n/a
Hearing Aid Compatible	-	Yes M4, T3 (mostly tele-coil compatible)	-	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	-	-	Yes
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
USB	-	Yes Micro-USB	-	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	Yes	n/a
Ringer ID	Yes	n/a	Yes	Yes	n/a
Voice Dialing	-	n/a	Yes	-	n/a
Customization
Custom Graphics	Yes	n/a	-	Yes	n/a
Custom Ringtones	Yes	n/a	-	Yes	n/a
Real-Music Ringers	-	n/a	-	Yes	n/a
Data & Network
Data Tethering	Yes	n/a	-	-	n/a
External Antenna Jack	-	n/a	-	Yes	n/a
WAP / Web Browser	Yes	n/a	-	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	-	Yes	Yes
Touch Screen	-	Yes Capacitive	-	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	-	-	Yes
Messaging
Email Client	-	n/a	-	Yes	n/a
EMS / Picture Messaging	Yes	n/a	-	Yes	n/a
Instant Messaging	-	n/a	-	-	n/a
MMS	Yes	n/a	-	Yes	n/a
Text Messaging Templates	Yes	n/a	-	Yes	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	-	-	n/a
Photo & Video
TV Output	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	Yes	n/a	Yes	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	Yes	n/a	Yes	Yes	n/a
Voice Memo	Yes	n/a	Yes	Yes	n/a
Software
Games	Yes	n/a	-	Yes	n/a
Java (J2ME)	Yes	n/a	-	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	Yes	-	n/a
Speaker Phone	-	Yes	-	Yes	Yes
	Samsung SGH-X450	Alcatel Dawn	Samsung SPH-N270 (Matrix Phone)	Samsung SGH-X820	ZTE Grand X
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X450	Alcatel Dawn	Samsung SPH-N270 (Matrix Phone)	Samsung SGH-X820	ZTE Grand X