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Phone	Samsung M520	LG VX-8550 Chocolate	Motorola Q9m / Q9c	Samsung SGH-X640	Sony Xperia XZ1
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.1" diag. 4 : 3	?	2.4" diag. 4 : 3	?	5.2" diag. 16 : 9
Display Resolution & Type	176 x 220 pixels (~134 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	?	800 mAh	1,170 mAh	800 mAh	2,700 mAh
Processor	?	?	PXA27x (ARM920T)	?	2.5 GHz Qualcomm Snapdragon 835 (MSM8998)
RAM	?	?	?	?	4 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	64 GB
Main Camera	1 megapixel	1 megapixel	1 megapixel	Yes	19 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	QCIF (176 x 144)	?	-	4K UHD
Front Camera	-	-	-	-	13 megapixel
Weight	2.75 oz (78g)	3.24 oz (92g)	4.76 oz (135g)	3 oz (85g)	5.5 oz (156g)
Dimensions	4.01" x 2.04" x 0.5" (102 x 52 x 12.7 mm)	3.85" x 1.87" x 0.67" (98 x 47 x 17 mm)	4.61" x 2.56" x 0.47" (117 x 65 x 11.9 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	5.82" x 2.89" x 0.29" (148 x 73 x 7.4 mm)
Form Factor	Slide	Slide	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	Windows Mobile Standard	(proprietary)	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	GSM: 900, 1800, 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
Data Technology	EVDO r0	EVDO r0	EVDO r0	GPRS	LTE (Cat 16)
Features
Barometer	-	-	-	-	Yes
Fingerprint Reader	-	-	-	-	Yes * stand-alone
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	Yes	n/a	-	n/a
Water-Resistant	-	-	-	-	Yes IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible	Yes M4 (very compatible)	Yes M4 (very compatible)	Yes M3 (mostly compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
NFC	-	-	-	-	Yes
USB	Yes	Yes	Yes Mini-USB	-	Yes USB Type C
Wi-Fi	-	-	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	Yes	Yes	n/a	-	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	Yes	n/a	-	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	-	n/a
Dual-SIM	-	-	-	-	Yes *
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	-	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	-	-	n/a	-	n/a
EMS / Picture Messaging	-	-	n/a	Yes	n/a
MMS	-	Yes	n/a	Yes	n/a
Text Messaging Templates	Yes	Yes	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	-	-	Yes
Music Player	Yes	Yes	n/a	-	n/a
Stereo Speakers	-	-	Yes	-	Yes
Photo & Video
DLNA	-	-	-	-	Yes
Miracast	-	-	-	-	Yes
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	Yes	-	n/a	Yes	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	-	Yes	n/a	-	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	-	n/a	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	-	Yes	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung M520	LG VX-8550 Chocolate	Motorola Q9m / Q9c	Samsung SGH-X640	Sony Xperia XZ1
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung M520	LG VX-8550 Chocolate	Motorola Q9m / Q9c	Samsung SGH-X640	Sony Xperia XZ1