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Phone	Samsung SGH-X640	Kyocera 3225	LG VX-8550 Chocolate	Palm Treo 650 (CDMA)	LG Spectrum
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	?	4.5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	? LCD (Grayscale)	240 x 320 pixels LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	800 mAh	?	800 mAh	?	1,830 mAh
Processor	?	?	?	312 MHz Intel XScale PXA270	1.5 GHz Qualcomm Snapdragon S3
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	4 GB
Main Camera	Yes	-	1 megapixel	Yes	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	QCIF (176 x 144)	QVGA (320 x 240)	1080p HD
Front Camera	-	-	-	-	1 megapixel
Weight	3 oz (85g)	4.23 oz (120g)	3.24 oz (92g)	6.3 oz (179g)	4.99 oz (141g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm)	3.85" x 1.87" x 0.67" (98 x 47 x 17 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	5.33" x 2.71" x 0.42" (135 x 69 x 10.7 mm)
Form Factor	Clamshell	Slab	Slide	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	(proprietary)	Palm OS	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 13 CDMA: 850, 1900 GSM: 850, 1900 *
Data Technology	GPRS	1xRTT	EVDO r0	1xRTT	LTE (Cat 3)
Features
GPS / Location	-	Yes	Yes	n/a	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes M4 (very compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	Yes	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	-	-	-	n/a	n/a
USB	-	-	Yes	-	Yes Micro-USB
Wi-Fi	-	-	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	-	Yes	n/a	n/a
Ringer ID	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
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	-	-	Yes	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	-	-	n/a	n/a
EMS / Picture Messaging	Yes	Yes	-	n/a	n/a
Instant Messaging	-	-	-	n/a	n/a
MMS	Yes	-	Yes	n/a	n/a
Text Messaging Templates	Yes	-	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	-	-	Yes
Music Player	-	-	Yes	n/a	n/a
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	-	Yes
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	n/a	n/a
Software
BREW	-	Yes	Yes	n/a	n/a
Games	Yes	Yes	Yes	n/a	n/a
Java (J2ME)	Yes	-	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	Yes	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Kyocera 3225	LG VX-8550 Chocolate	Palm Treo 650 (CDMA)	LG Spectrum
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung SGH-X640	Kyocera 3225	LG VX-8550 Chocolate	Palm Treo 650 (CDMA)	LG Spectrum