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Phone	Samsung SGH-X820	Motorola Krave ZN4	Coolpad Defiant	Samsung SGH-X640	Pantech Matrix Pro C820
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.8" diag. 5 : 3	5" diag. 16 : 9	?	2.4" diag. 4 : 3
Display Resolution & Type	220 x 176 pixels LCD (TFT/TFD)	240 x 400 pixels (~167 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	650 mAh	950 mAh	2,450 mAh	800 mAh	1,320 mAh
Processor	?	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	?	528 MHz ARM 11
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	? raw hardware
Main Camera	2 megapixel	2 megapixel	5 megapixel	Yes	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	QVGA (320 x 240)	720p HD	-	QCIF (176 x 144)
Front Camera	-	-	2 megapixel	-	-
Weight	2.33 oz (66g)	4.52 oz (128g)	6.5 oz (184g)	3 oz (85g)	5.34 oz (151g)
Dimensions	4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm)	4.12" x 2.01" x 0.74" (105 x 51 x 18.8 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.2" x 2" x 0.9" (107 x 51 x 22.9 mm)
Form Factor	Slab	Flip	Slab	Clamshell	Slide
Platform / OS	(proprietary)	(proprietary)	Android	(proprietary)	Windows Mobile Standard
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	EDGE	EVDO r0	LTE (Cat 4)	GPRS	HSDPA 3.6
Features
Flashlight	-	-	Yes	-	-
GPS / Location	-	Yes	n/a	-	n/a
Accessibility
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	-
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
USB	Yes	Yes Micro-USB	Yes Micro-USB	-	Yes
Wi-Fi	-	-	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	-	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	Yes	Yes	n/a	-	n/a
Data & Network
Data Tethering	-	Yes	n/a	-	n/a
External Antenna Jack	Yes	-	n/a	-	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	Yes Capacitive	-	-
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	Yes	Yes	n/a	-	n/a
EMS / Picture Messaging	Yes	Yes	n/a	Yes	n/a
Instant Messaging	-	Yes	n/a	-	n/a
MMS	Yes	Yes	n/a	Yes	n/a
Text Messaging Templates	Yes	Yes	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	-	Yes	n/a	-	n/a
Photo & Video
TV Output	Yes	-	-	-	-
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	-	n/a	Yes	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	-	Yes	n/a	-	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	-	-	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X820	Motorola Krave ZN4	Coolpad Defiant	Samsung SGH-X640	Pantech Matrix Pro C820
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X820	Motorola Krave ZN4	Coolpad Defiant	Samsung SGH-X640	Pantech Matrix Pro C820