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Specifications
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Phone	Samsung SGH-X640	HP iPAQ Glisten	LG VX-8550 Chocolate	BlackBerry Curve 9350	Apple iPhone 4 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.5" diag. 4 : 3	?	2.4" diag. 4 : 3	3.5" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) AMOLED	240 x 320 pixels LCD (TFT/TFD)	480 x 360 pixels (~246 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	800 mAh	1,590 mAh	800 mAh	1,040 mAh	?
Processor	?	528 MHz Qualcomm MSM7200a (ARM11)	?	800 MHz Marvell	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	8 GB *
Main Camera	Yes	3 megapixel	1 megapixel	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QVGA (320 x 240)	QCIF (176 x 144)	VGA (640 x 480)	720p HD
Front Camera	-	-	-	-	Yes
Weight	3 oz (85g)	5.29 oz (150g)	3.24 oz (92g)	3.49 oz (99g)	4.8 oz (136g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.44" x 2.47" x 0.53" (113 x 63 x 13.4 mm)	3.85" x 1.87" x 0.67" (98 x 47 x 17 mm)	4.29" x 2.36" x 0.43" (109 x 60 x 10.9 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)
Form Factor	Clamshell	Slab	Slide	Slab	Slab
Platform / OS	(proprietary)	Windows Mobile Professional	(proprietary)	BlackBerry OS	iOS
Network Bands	GSM: 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 800, 850, 1900 *	CDMA: 850, 1900
Data Technology	GPRS	HSDPA 3.6	EVDO r0	EVDO rA	EVDO rA
Features
GPS / Location	-	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
NFC	-	-	-	Yes	-
USB	-	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
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
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
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	-	Yes	-	Yes	-
Touch Screen	-	Yes Resistive	-	-	Yes Capacitive
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	Yes
Music Player	-	n/a	Yes	n/a	n/a
Photo & Video
TV Output	-	-	-	-	Yes
Video Calling	-	n/a	-	n/a	n/a
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	Yes	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
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	HP iPAQ Glisten	LG VX-8550 Chocolate	BlackBerry Curve 9350	Apple iPhone 4 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	HP iPAQ Glisten	LG VX-8550 Chocolate	BlackBerry Curve 9350	Apple iPhone 4 (CDMA)