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Phone	Samsung SGH-X640	ZTE Engage LT / Engage MT	Sony Xperia XZs	Motorola Q9m / Q9c	Samsung SCH-A990
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	5.2" diag. 16 : 9	2.4" diag. 4 : 3	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	800 mAh	1,900 mAh	2,900 mAh	1,170 mAh	1,000 mAh
Processor	?	?	2.2 GHz Qualcomm Snapdragon 820 (MSM8996)	PXA27x (ARM920T)	?
RAM	?	1 GB	4 GB	?	?
Storage	? raw hardware	4 GB	64 GB	? raw hardware	? raw hardware
Main Camera	Yes	3 megapixel	19 megapixel	1 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	WVGA / 480p	4K UHD	?	?
Front Camera	-	Yes	13 megapixel	-	-
Weight	3 oz (85g)	5.09 oz (144g)	5.68 oz (161g)	4.76 oz (135g)	4.4 oz (125g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm)	5.75" x 2.83" x 0.32" (146 x 72 x 8.1 mm)	4.61" x 2.56" x 0.47" (117 x 65 x 11.9 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Clamshell
Platform / OS	(proprietary)	Android	Android	Windows Mobile Standard	(proprietary)
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1700, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 40, 41 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	GPRS	EVDO rA	LTE (Cat 9)	EVDO r0	EVDO r0
Features
Barometer	-	-	Yes	-	-
Fingerprint Reader	-	-	Yes * stand-alone	-	-
Flashlight	-	-	Yes	-	Yes
GPS / Location	-	n/a	n/a	n/a	Yes
Water-Resistant	-	-	Yes IPX8 (SCUBA)	-	-
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	-
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
NFC	-	-	Yes	-	-
USB	-	Yes Micro-USB	Yes USB Type C	Yes Mini-USB	Yes
Wi-Fi	-	Yes	Yes 5 (802.11 a,ac,b,g,n)	-	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	-	n/a	n/a	n/a	Yes
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	-	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	-	n/a	n/a	n/a	Yes
Dual-SIM	-	-	Yes	-	-
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	n/a	-
EMS / Picture Messaging	Yes	n/a	n/a	n/a	Yes
Instant Messaging	-	n/a	n/a	n/a	-
MMS	Yes	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	-	n/a	n/a	n/a	Yes
Stereo Speakers	-	-	Yes	Yes	Yes
Photo & Video
DLNA	-	-	Yes	-	-
Miracast	-	-	Yes	-	-
TV Output	-	-	-	-	Yes
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	Yes	n/a	n/a	n/a	-
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
BREW	-	n/a	n/a	n/a	Yes
Games	Yes	n/a	n/a	n/a	Yes
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	Yes
	* Some versions only
	Samsung SGH-X640	ZTE Engage LT / Engage MT	Sony Xperia XZs	Motorola Q9m / Q9c	Samsung SCH-A990
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	ZTE Engage LT / Engage MT	Sony Xperia XZs	Motorola Q9m / Q9c	Samsung SCH-A990