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Phone	Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo	Samsung SGH-X640	Samsung Wafer R510	Samsung SPH/SCH-N300	ZTE Blade Vantage
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	5.5" diag. 16 : 9	?	1.9" diag. 4 : 3	?	5" diag. 16 : 9
Display Resolution & Type	720 x 1280 pixels (~267 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	220 x 176 pixels (~148 ppi) LCD (TFT/TFD)	128 x 64 pixels	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	60 Hz
Battery	3,300 mAh	800 mAh	800 mAh	?	2,500 mAh
Processor	1.6 GHz Samsung Exynos 7870	?	?	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	2 GB	?	?	?	2 GB
Storage	16 GB *	? raw hardware	? raw hardware	? raw hardware	16 GB
Main Camera	8 megapixel	Yes	1 megapixel	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	-	?	-	720p HD
Front Camera	Yes	-	-	-	2 megapixel
Weight	5.8 oz (164g)	3 oz (85g)	2.47 oz (70g)	4.1 oz (116g)	5.29 oz (150g)
Dimensions	5.96" x 3.01" x 0.34" (151 x 76 x 8.6 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm)	4.5" x 1.9" x 0.9" (114 x 48 x 22.9 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)
Form Factor	Slab	Clamshell	Slab	Flip	Slab
Platform / OS	Android	(proprietary)	(proprietary)	(proprietary)	Android
Network Bands	4G LTE: 2, 3, 4, 5, 7, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4, 5, 13
Data Technology	LTE (Cat 6)	GPRS	EVDO r0	-	LTE (Cat 4)
Features
Flashlight	Yes	-	-	-	Yes
GPS / Location	n/a	-	Yes	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	-	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	-	Yes
USB	Yes Micro-USB	-	-	-	Yes Micro-USB
Wi-Fi	Yes 5 (802.11 a,ac,b,g,n)	-	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	Yes	Yes	-	n/a
Ringer ID	n/a	Yes	-	-	n/a
Voice Dialing	n/a	-	Yes	Yes	n/a
Customization
Custom Graphics	n/a	Yes	Yes	-	n/a
Custom Ringtones	n/a	Yes	Yes	-	n/a
Data & Network
Data Tethering	n/a	-	-	Yes	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	Yes Capacitive	-	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
EMS / Picture Messaging	n/a	Yes	-	-	n/a
MMS	n/a	Yes	Yes	-	n/a
Text Messaging Templates	n/a	Yes	-	-	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	-	Yes	-	n/a
Stereo Speakers	-	-	Yes	-	-
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	Yes	Yes	Yes	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	Yes	-	Yes	n/a
Voice Memo	n/a	Yes	Yes	-	n/a
Software
BREW	n/a	-	Yes	-	n/a
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	Yes	-	-	n/a
Voice
HD Voice	Yes	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	Yes	-	Yes	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo	Samsung SGH-X640	Samsung Wafer R510	Samsung SPH/SCH-N300	ZTE Blade Vantage
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo	Samsung SGH-X640	Samsung Wafer R510	Samsung SPH/SCH-N300	ZTE Blade Vantage