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Phone	Samsung SGH-X640	Palm Treo 600 (CDMA)	ZTE Blade Vantage	Coolpad Quattro 4G	Alcatel Pop Mega
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	5" diag. 16 : 9	4" diag. 5 : 3	6" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	540 x 960 pixels (~184 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	60 Hz
Battery	800 mAh	?	2,500 mAh	1,600 mAh	3,400 mAh
Processor	?	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	1.2 GHz Qualcomm Snapdragon 400 (MSM8926)
RAM	?	?	2 GB	?	1 GB
Storage	? raw hardware	? raw hardware	16 GB	512 MB	4 GB
Main Camera	Yes	Yes	8 megapixel	3 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	720p HD	VGA (640 x 480)	1080p HD
Front Camera	-	-	2 megapixel	Yes	2 megapixel
Weight	3 oz (85g)	6.2 oz (176g)	5.29 oz (150g)	3.31 oz (94g)	6.42 oz (182g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)	6.39" x 3.32" x 0.34" (162 x 84 x 8.6 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Palm OS	Android	Android	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 13	4G LTE: 2, 4 CDMA: 850, 1700, 1900	4G LTE: 4, 17 WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	1xRTT	LTE (Cat 4)	LTE (Cat 3)	LTE (Cat 4)
Features
Flashlight	-	-	Yes	-	Yes
GPS / Location	-	n/a	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes	Yes	Yes
Multiple Languages	Yes	n/a	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	n/a	n/a	n/a
USB	-	Yes	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	n/a	n/a
Ringer ID	Yes	n/a	n/a	n/a	n/a
Voice Dialing	-	n/a	n/a	n/a	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a	n/a
Real-Music Ringers	-	n/a	n/a	n/a	n/a
Data & Network
Data Tethering	-	n/a	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	Yes	Yes	Yes	Yes
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	n/a	n/a
EMS / Picture Messaging	Yes	n/a	n/a	n/a	n/a
Instant Messaging	-	n/a	n/a	n/a	n/a
MMS	Yes	n/a	n/a	n/a	n/a
Text Messaging Templates	Yes	n/a	n/a	n/a	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	-	n/a	n/a	n/a	n/a
Productivity
Alarm	Yes	n/a	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a	n/a
To-Do List	Yes	n/a	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a	n/a
Software
Games	Yes	n/a	n/a	n/a	n/a
Java (J2ME)	Yes	n/a	n/a	n/a	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Palm Treo 600 (CDMA)	ZTE Blade Vantage	Coolpad Quattro 4G	Alcatel Pop Mega
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Palm Treo 600 (CDMA)	ZTE Blade Vantage	Coolpad Quattro 4G	Alcatel Pop Mega