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Phone Samsung SGH-E640 Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo Samsung SPH-N240 LG 6190
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 5.5" diag.
16 : 9
? ?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
128 x 64 pixels 128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery 800 mAh 3,300 mAh ? ?
Processor ? 1.6 GHz Samsung Exynos 7870 ? ?
RAM ? 2 GB ? ?
Storage ? raw hardware 16 GB * ? raw hardware ? raw hardware
Main Camera 1 megapixel 8 megapixel - Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture QCIF (176 x 144) 1080p HD - -
Front Camera - Yes - -
Weight 3.17 oz
(90g)
5.8 oz
(164g)
3.2 oz
(91g)
3.53 oz
(100g)
Dimensions 3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
5.96" x 3.01" x 0.34"
(151 x 76 x 8.6 mm)
4.1" x 1.5" x 0.7"
(104 x 38 x 17.8 mm)
3.54" x 1.89" x 0.98"
(90 x 48 x 24.9 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) Android (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS LTE (Cat 6) - 1xRTT
Features 
Flashlight - Yes - -
GPS / Location - n/a Yes -
Accessibility
Hearing Aid Compatible - Yes - -
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) - Yes - -
Alerts
Extra Display Yes - - Yes
Connectivity
Bluetooth Yes Yes - -
USB Yes Yes
Micro-USB
- Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID Yes n/a - Yes
Ringer ID Yes n/a Yes Yes
Voice Dialing - n/a Yes Yes
Customization
Changeable Body Plates - - Yes -
Custom Graphics Yes n/a - Yes
Custom Ringtones Yes n/a - Yes
Real-Music Ringers Yes n/a - -
Data & Network
Data Tethering - n/a - Yes
WAP / Web Browser Yes n/a - Yes
Input
Predictive Text Entry Yes n/a Yes -
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen - Yes - -
Memory
Memory Card Slot - Yes - -
Messaging
Email Client Yes n/a - -
EMS / Picture Messaging Yes n/a - -
MMS Yes n/a - Yes
Text Messaging Templates Yes n/a - Yes
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) - Yes - -
Music Player Yes n/a - -
Productivity
Alarm Yes n/a Yes Yes
Calculator Yes n/a Yes Yes
Calendar Yes n/a Yes Yes
To-Do List Yes n/a Yes -
Voice Memo Yes n/a - Yes
Software
Games Yes n/a Yes Yes
Java (J2ME) Yes n/a - Yes
Voice
HD Voice - Yes - -
Headset Jack (2.5 mm) - n/a Yes Yes
Speaker Phone Yes Yes - Yes
  Samsung SGH-E640 Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo Samsung SPH-N240 LG 6190
  X > < X > < X > < X

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

 
Phone Samsung SGH-E640 Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo Samsung SPH-N240 LG 6190

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