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Phone	Samsung SGH-X640	Palm Treo 600 (CDMA)	Sony Xperia XZ1	Huawei W1
Current U.S. Carriers	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released
Display Size	?	?	5.2" diag. 16 : 9	4" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?
Battery	800 mAh	?	2,700 mAh	1,950 mAh
Processor	?	?	2.5 GHz Qualcomm Snapdragon 835 (MSM8998)	1.2 GHz Qualcomm Snapdragon 400 MSM8230
RAM	?	?	4 GB	512 MB
Storage	? raw hardware	? raw hardware	64 GB	4 GB
Main Camera	Yes	Yes	19 megapixel	5 megapixel
Wide Camera	-	-	-	-
Tele Camera	-	-	-	-
Video Capture	-	-	4K UHD	720p HD
Front Camera	-	-	13 megapixel	Yes
Weight	3 oz (85g)	6.2 oz (176g)	5.5 oz (156g)	4.41 oz (125g)
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)	5.82" x 2.89" x 0.29" (148 x 73 x 7.4 mm)	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)
Form Factor	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	Palm OS	Android	Windows
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	1xRTT	LTE (Cat 16)	HSPA+ 21
Features
Barometer	-	-	Yes	-
Fingerprint Reader	-	-	Yes * stand-alone	-
Flashlight	-	-	Yes	-
GPS / Location	-	n/a	n/a	n/a
Water-Resistant	-	-	Yes IPX8 (SCUBA)	-
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	-
Connectivity
Bluetooth	-	-	Yes	Yes
Infrared (IR)	-	Yes	-	-
NFC	-	-	Yes	-
USB	-	Yes	Yes USB Type C	Yes Micro-USB
Wi-Fi	-	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 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	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a
Real-Music Ringers	-	n/a	n/a	n/a
Data & Network
Data Tethering	-	n/a	n/a	n/a
Dual-SIM	-	-	Yes *	-
WAP / Web Browser	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a
Side Keys	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	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	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	Yes
Music Player	-	n/a	n/a	n/a
Stereo Speakers	-	-	Yes	-
Photo & Video
DLNA	-	-	Yes	-
Miracast	-	-	Yes	-
Power
Fast Charging	-	-	Yes	-
Productivity
Alarm	Yes	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a
To-Do List	Yes	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a
Software
Games	Yes	n/a	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	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X640	Palm Treo 600 (CDMA)	Sony Xperia XZ1	Huawei W1
	X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Palm Treo 600 (CDMA)	Sony Xperia XZ1	Huawei W1