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Phone	Samsung SGH-X660	Samsung SGH-X640	Huawei Ascend II	Palm Treo 600 (CDMA)	Coolpad Defiant
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	3.5" diag. 5 : 3	?	5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	800 mAh	800 mAh	1,400 mAh	?	2,450 mAh
Processor	?	?	600 MHz Qualcomm S1 MSM7627	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	8 GB
Main Camera	Yes	Yes	5 megapixel	Yes	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	VGA (640 x 480)	-	720p HD
Front Camera	-	-	-	-	2 megapixel
Weight	2.75 oz (78g)	3 oz (85g)	4.1 oz (116g)	6.2 oz (176g)	6.5 oz (184g)
Dimensions	3.52" x 1.77" x 0.85" (89 x 45 x 21.6 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.6" x 2.4" x 0.5" (117 x 61 x 12.7 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Palm OS	Android
Network Bands	GSM: 900, 1800, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1700, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	GPRS	EVDO rA	1xRTT	LTE (Cat 4)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	-	-	n/a	n/a	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Connectivity
Bluetooth	-	-	Yes	-	Yes
Infrared (IR)	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	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	-	-	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	-	-	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
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	-	Yes Capacitive	Yes	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	-	n/a	n/a	n/a
EMS / Picture Messaging	Yes	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
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	-	n/a	n/a	n/a
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	Yes	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
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X660	Samsung SGH-X640	Huawei Ascend II	Palm Treo 600 (CDMA)	Coolpad Defiant
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X660	Samsung SGH-X640	Huawei Ascend II	Palm Treo 600 (CDMA)	Coolpad Defiant