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Phone	Samsung SGH-X640	Samsung Galaxy S6 (GSM)	Samsung Glyde U940	Palm Treo 680	BlackBerry Curve 3G 9330
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	5.1" diag. 16 : 9	2.8" diag. 16.5 : 9	?	2.5" diag. 4 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	1440 x 2560 pixels (~576 ppi) AMOLED	240 x 440 pixels (~182 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	800 mAh	2,550 mAh	1,000 mAh	?	1,150 mAh
Processor	?	2.1 GHz Samsung Exynos 7420	?	?	?
RAM	?	3 GB	?	?	?
Storage	? raw hardware	32 GB *	? raw hardware	? raw hardware	? raw hardware
Main Camera	Yes	16 megapixel	2 megapixel	Yes	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	4K UHD	QVGA (320 x 240)	CIF (352 x 288)	?
Front Camera	-	5 megapixel	-	-	-
Weight	3 oz (85g)	4.87 oz (138g)	4.2 oz (119g)	5.5 oz (156g)	3.7 oz (105g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm)	4.09" x 1.98" x 0.71" (104 x 50 x 18 mm)	4.4" x 2.3" x 0.8" (112 x 58 x 20.3 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)
Form Factor	Clamshell	Slab	Slide	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	Palm OS	BlackBerry OS
Network Bands	GSM: 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	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	GPRS	LTE (Cat 6)	EVDO r0	EDGE	EVDO r0
Features
Fingerprint Reader	-	Yes	-	-	-
Flashlight	-	Yes	-	-	-
GPS / Location	-	n/a	Yes	n/a	n/a
VR-ready	-	Yes	-	-	-
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	Yes	-
MirrorLink	-	Yes	-	-	-
NFC	-	Yes	-	-	-
USB	-	Yes Micro-USB	Yes	Yes	Yes Micro-USB
Wi-Fi	-	Yes 5 (802.11 a,ac,b,g,n)	-	-	Yes 802.11 b,g
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	-	n/a	Yes	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	-	n/a	Yes	n/a	n/a
External Antenna Jack	-	n/a	-	n/a	n/a
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes	Yes	-
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	n/a	-	n/a	n/a
EMS / Picture Messaging	Yes	n/a	-	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	Yes	n/a	n/a
Photo & Video
DLNA	-	Yes	-	-	-
Miracast	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
Power
Fast Charging	-	Yes	-	-	-
Wireless Charging	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	Yes	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	-	n/a	n/a
Software
BREW	-	n/a	Yes	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	-	n/a	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Samsung Galaxy S6 (GSM)	Samsung Glyde U940	Palm Treo 680	BlackBerry Curve 3G 9330
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Samsung Galaxy S6 (GSM)	Samsung Glyde U940	Palm Treo 680	BlackBerry Curve 3G 9330