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Phone	Samsung SGH-X640	Palm Treo 600 (CDMA)	Huawei W1	Sony Ericsson T61c	Samsung Galaxy S II Skyrocket
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	4" diag. 5 : 3	?	4.5" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	?	480 x 800 pixels (~207 ppi) AMOLED
Display Refresh	?	?	?	?	60 Hz
Battery	800 mAh	?	1,950 mAh	?	1,850 mAh
Processor	?	?	1.2 GHz Qualcomm Snapdragon 400 MSM8230	?	1.5 GHz Qualcomm Snapdragon S3 APQ8060
RAM	?	?	512 MB	?	1 GB
Storage	? raw hardware	? raw hardware	4 GB	? raw hardware	16 GB
Main Camera	Yes	Yes	5 megapixel	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	720p HD	-	1080p HD
Front Camera	-	-	Yes	-	2 megapixel
Weight	3 oz (85g)	6.2 oz (176g)	4.41 oz (125g)	4.4 oz (125g)	4.71 oz (133g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)	4.8" x 2.13" x 0.92" (122 x 54 x 23.4 mm)	5.12" x 2.72" x 0.35" (130 x 69 x 9 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Palm OS	Windows	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 4, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	1xRTT	HSPA+ 21	1xRTT	LTE (Cat 3)
Features
GPS / Location	-	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	-	Yes M3 (mostly compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	-	-	Yes
Alerts
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	-	-	-	Yes
USB	-	Yes	Yes Micro-USB	-	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	-	n/a
Ringer ID	Yes	n/a	n/a	-	n/a
Voice Dialing	-	n/a	n/a	Yes	n/a
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	-	n/a
Data & Network
Data Tethering	-	n/a	n/a	Yes	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	Yes	Yes Capacitive	-	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	Yes	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	-	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	n/a	n/a	-	n/a
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	Samsung SGH-X640	Palm Treo 600 (CDMA)	Huawei W1	Sony Ericsson T61c	Samsung Galaxy S II Skyrocket
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Palm Treo 600 (CDMA)	Huawei W1	Sony Ericsson T61c	Samsung Galaxy S II Skyrocket