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Phone	Samsung SGH-X640	Motorola KRZR K1m	HTC G2	Samsung Galaxy S6 (GSM)	Palm Treo 600 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	3.7" diag. 5 : 3	5.1" diag. 16 : 9	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)	1440 x 2560 pixels (~576 ppi) AMOLED	160 x 160 pixels LCD (Color)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	800 mAh	880 mAh	1,300 mAh	2,550 mAh	?
Processor	?	?	800 MHz Qualcomm S2 MSM7230	2.1 GHz Samsung Exynos 7420	?
RAM	?	?	?	3 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	32 GB *	? raw hardware
Main Camera	Yes	1 megapixel	5 megapixel	16 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	720p HD	4K UHD	-
Front Camera	-	-	-	5 megapixel	-
Weight	3 oz (85g)	3.63 oz (103g)	6.5 oz (184g)	4.87 oz (138g)	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)	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)	5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Android	Palm OS
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900
Data Technology	GPRS	EVDO r0	HSPA 14.4	LTE (Cat 6)	1xRTT
Features
Fingerprint Reader	-	-	-	Yes	-
Flashlight	-	-	-	Yes	-
GPS / Location	-	Yes	n/a	n/a	n/a
VR-ready	-	-	-	Yes	-
Accessibility
Hearing Aid Compatible	-	Yes	Yes	Yes	-
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-
Infrared (IR)	-	-	-	Yes	Yes
MirrorLink	-	-	-	Yes	-
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	-	Yes Mini-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 5 (802.11 a,ac,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	-	Yes	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	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	-	Yes	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	-	Yes
Touch Screen	-	-	Yes	Yes	Yes
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	-	Yes *	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	-	Yes	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
Miracast	-	-	-	Yes	-
TV Output	-	-	-	Yes	-
Power
Fast Charging	-	-	-	Yes	-
Wireless Charging	-	-	-	Yes	-
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	-	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
BREW	-	Yes *	n/a	n/a	n/a
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	Yes *	n/a	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Motorola KRZR K1m	HTC G2	Samsung Galaxy S6 (GSM)	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	HTC G2	Samsung Galaxy S6 (GSM)	Palm Treo 600 (CDMA)