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Phone	Samsung SGH-X640	Motorola KRZR K1m	Casio G'zOne Rock	Coolpad Defiant	Palm Treo 600 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	2.1" diag. 4 : 3	5" diag. 16 : 9	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	240 x 320 pixels (~190 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)
Display Refresh	?	?	?	60 Hz	?
Battery	800 mAh	880 mAh	1,150 mAh	2,450 mAh	?
Processor	?	?	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB	? raw hardware
Main Camera	Yes	1 megapixel	2 megapixel	5 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	?	720p HD	-
Front Camera	-	-	-	2 megapixel	-
Weight	3 oz (85g)	3.63 oz (103g)	4.4 oz (125g)	6.5 oz (184g)	6.2 oz (176g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.06" x 1.73" x 0.67" (103 x 44 x 17 mm)	4.1" x 2" x 0.9" (104 x 51 x 22.9 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Clamshell	Clamshell	Clamshell	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	(proprietary)	Android	Palm OS
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	GPRS	EVDO r0	EVDO rA	LTE (Cat 4)	1xRTT
Features
Flashlight	-	-	Yes	Yes	-
GPS / Location	-	Yes	Yes	n/a	n/a
Ruggedized	-	-	Yes	-	-
Water-Resistant	-	-	Yes	-	-
Accessibility
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	Yes	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	-
Infrared (IR)	-	-	-	-	Yes
USB	-	Yes Mini-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	Yes	Yes	n/a	n/a
Ringer ID	Yes	Yes	Yes	n/a	n/a
Voice Dialing	-	Yes	Yes	n/a	n/a
Customization
Custom Graphics	Yes	Yes	Yes	n/a	n/a
Custom Ringtones	Yes	Yes	Yes	n/a	n/a
Real-Music Ringers	-	-	Yes	n/a	n/a
Data & Network
Data Tethering	-	Yes	Yes	n/a	n/a
WAP / Web Browser	Yes	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	-	Yes Capacitive	Yes
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	-	Yes	n/a	n/a
EMS / Picture Messaging	Yes	Yes	-	n/a	n/a
Instant Messaging	-	Yes *	Yes	n/a	n/a
MMS	Yes	Yes	Yes	n/a	n/a
Text Messaging Templates	Yes	Yes	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	-	Yes	-
Music Player	-	Yes	Yes	n/a	n/a
Productivity
Alarm	Yes	Yes	Yes	n/a	n/a
Calculator	Yes	Yes	Yes	n/a	n/a
Calendar	Yes	Yes	Yes	n/a	n/a
To-Do List	Yes	-	-	n/a	n/a
Voice Memo	Yes	Yes	Yes	n/a	n/a
Software
BREW	-	Yes *	Yes	n/a	n/a
Games	Yes	Yes	Yes	n/a	n/a
Java (J2ME)	Yes	Yes *	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	-	Yes	n/a	n/a
Push-To-Talk	-	-	Yes	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Motorola KRZR K1m	Casio G'zOne Rock	Coolpad Defiant	Palm Treo 600 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Motorola KRZR K1m	Casio G'zOne Rock	Coolpad Defiant	Palm Treo 600 (CDMA)