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Phone	AT&T Vista	Samsung SGH-X640	Samsung SGH-E340 / SGH-E340E	Kyocera 3225	Palm Treo 600 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Not yet released	Released	Released
Display Size	5.5" diag. 18 : 9	?	?	?	?
Display Resolution & Type	720 x 1440 pixels (~293 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	? LCD (Grayscale)	160 x 160 pixels LCD (Color)
Display Refresh	60 Hz	?	?	?	?
Battery	2,450 mAh	800 mAh	?	?	?
Processor	2 GHz MediaTek Helio A22 (MT6761V)	?	?	?	?
RAM	3 GB	?	?	?	?
Storage	32 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	8 megapixel	Yes	Yes	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	-	?	-	-
Front Camera	5 megapixel	-	-	-	-
Weight	5.51 oz (156g)	3 oz (85g)	2.75 oz (78g)	4.23 oz (120g)	6.2 oz (176g)
Dimensions	5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.39" x 1.77" x 0.94" (86 x 45 x 23.9 mm)	3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Slab	Clamshell	Clamshell	Slab	Slab
Platform / OS	Android	(proprietary)	(proprietary)	(proprietary)	Palm OS
Network Bands	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8	GSM: 900, 1800, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900
Data Technology	LTE (Cat 4)	GPRS	GPRS	1xRTT	1xRTT
Features
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	-	-	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	-	-	-	-
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	-	-	-	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	-	Yes	-	-
Infrared (IR)	-	-	-	-	Yes
USB	Yes USB Type C	-	Yes	-	Yes
Wi-Fi	Yes	-	-	-	-
Contacts
Picture ID	n/a	Yes	-	-	n/a
Ringer ID	n/a	Yes	-	-	n/a
Voice Dialing	n/a	-	-	Yes	n/a
Customization
Custom Graphics	n/a	Yes	Yes	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	-	Yes	-	n/a
Data & Network
Data Tethering	n/a	-	Yes	Yes	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	-	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes Capacitive	-	-	-	Yes
Memory
Memory Card Slot	Yes	-	-	-	Yes
Messaging
Email Client	n/a	-	Yes	-	n/a
EMS / Picture Messaging	n/a	Yes	Yes	Yes	n/a
MMS	n/a	Yes	Yes	-	n/a
Text Messaging Templates	n/a	Yes	-	-	n/a
Music
Headphone Jack (3.5mm)	Yes	-	-	-	-
Music Player	n/a	-	Yes	-	n/a
Productivity
Alarm	n/a	Yes	-	Yes	n/a
Calculator	n/a	Yes	-	Yes	n/a
Calendar	n/a	Yes	-	Yes	n/a
To-Do List	n/a	Yes	-	-	n/a
Voice Memo	n/a	Yes	Yes	-	n/a
Software
BREW	n/a	-	-	Yes	n/a
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	Yes	Yes	-	n/a
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	Yes	-	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	AT&T Vista	Samsung SGH-X640	Samsung SGH-E340 / SGH-E340E	Kyocera 3225	Palm Treo 600 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	AT&T Vista	Samsung SGH-X640	Samsung SGH-E340 / SGH-E340E	Kyocera 3225	Palm Treo 600 (CDMA)