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Specifications
	X >	< X >	< X >	< X >	< X

Phone	LG K20 / Harmony / Grace	Samsung SPH-N400	MiTAC Mio 8380	ZTE Grand X 3	Samsung SGH-E640
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	5.3" diag. 16 : 9	?	?	5.5" diag. 16 : 9	?
Display Resolution & Type	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	176 x 220 pixels LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	2,800 mAh	?	1,050 mAh	3,080 mAh	800 mAh
Processor	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	?	200 MHz Intel XScale	1.3 GHz Qualcomm Snapdragon 210 (MSM8909)	?
RAM	1.5 GB	?	?	2 GB	?
Storage	16 GB	? raw hardware	? raw hardware	16 GB	? raw hardware
Main Camera	8 megapixel	-	Yes	8 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	-	?	720p HD	QCIF (176 x 144)
Front Camera	5 megapixel	-	-	2 megapixel	-
Weight	5 oz (142g)	4 oz (113g)	5.04 oz (143g)	6 oz (170g)	3.17 oz (90g)
Dimensions	5.9" x 3" x 0.3" (150 x 76 x 7.6 mm)	4.25" x 2.04" x 0.82" (108 x 52 x 20.8 mm)	3.82" x 2.03" x 1.17" (97 x 52 x 29.7 mm)	6.07" x 2.99" x 0.37" (154 x 76 x 9.4 mm)	3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm)
Form Factor	Slab	Flip	Clamshell	Slab	Clamshell
Platform / OS	Android	(proprietary)	Windows Mobile Standard	Android	(proprietary)
Network Bands	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900
Data Technology	LTE (Cat 4)	1xRTT	GPRS	LTE (Cat 4)	GPRS
Features
Flashlight	Yes	-	-	Yes	-
GPS / Location	n/a	Yes	n/a	n/a	-
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	-	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	-	Yes	-
Alerts
Extra Display	-	-	Yes	-	Yes
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	-	-	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
NFC	Yes *	-	-	-	-
USB	Yes Micro-USB	Yes	-	Yes USB Type C	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	Yes
Ringer ID	n/a	Yes	n/a	n/a	Yes
Voice Dialing	n/a	Yes	n/a	n/a	-
Customization
Custom Graphics	n/a	Yes	n/a	n/a	Yes
Custom Ringtones	n/a	Yes	n/a	n/a	Yes
Real-Music Ringers	n/a	-	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	-
WAP / Web Browser	n/a	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	Yes Capacitive	-	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	-
Messaging
Email Client	n/a	-	n/a	n/a	Yes
EMS / Picture Messaging	n/a	-	n/a	n/a	Yes
MMS	n/a	-	n/a	n/a	Yes
Text Messaging Templates	n/a	-	n/a	n/a	Yes
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	-	n/a	n/a	Yes
Power
Fast Charging	-	-	-	Yes	-
Productivity
Alarm	n/a	Yes	n/a	n/a	Yes
Calculator	n/a	Yes	n/a	n/a	Yes
Calendar	n/a	Yes	n/a	n/a	Yes
To-Do List	n/a	Yes	n/a	n/a	Yes
Voice Memo	n/a	-	n/a	n/a	Yes
Software
Games	n/a	Yes	n/a	n/a	Yes
Java (J2ME)	n/a	Yes	n/a	n/a	Yes
Voice
HD Voice	Yes	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	LG K20 / Harmony / Grace	Samsung SPH-N400	MiTAC Mio 8380	ZTE Grand X 3	Samsung SGH-E640
	X >	< X >	< X >	< X >	< X

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


Phone	LG K20 / Harmony / Grace	Samsung SPH-N400	MiTAC Mio 8380	ZTE Grand X 3	Samsung SGH-E640