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Phone LG K4 / Optimus Zone 3 / Rebel ZTE MSGM8 II Samsung Galaxy S6 (CDMA) Coolpad Snap Samsung M520
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
2.2" diag.
4 : 3
5.1" diag.
16 : 9
2.8" diag.
4 : 3
2.1" diag.
4 : 3
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~130 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ? ?
Battery 1,940 mAh 900 mAh 2,550 mAh 1,390 mAh ?
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 2.1 GHz Samsung Exynos 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ?
RAM 1.5 GB ? 3 GB 512 MB ?
Storage 16 GB * ? raw hardware 32 GB * 4 GB ? raw hardware
Main Camera 5 megapixel 1 megapixel 16 megapixel 2 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD - 4K UHD CIF (352 x 288) ?
Front Camera 2 megapixel - 5 megapixel - -
Weight 3.99 oz
(113g)
3.65 oz
(104g)
4.87 oz
(138g)
4.16 oz
(118g)
2.75 oz
(78g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
4.2" x 2.4" x 0.54"
(107 x 61 x 13.7 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.29" x 2.17" x 0.74"
(109 x 55 x 18.8 mm)
4.01" x 2.04" x 0.5"
(102 x 52 x 12.7 mm)
Form Factor Slab Slab Slab Clamshell Slide
Platform / OS Android (proprietary) Android (proprietary) (proprietary)
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1700, 1900

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology LTE (Cat 3) 1xRTT LTE (Cat 4) LTE (Cat 4) EVDO r0
Features 
Fingerprint Reader - - Yes - -
Flashlight Yes - Yes - -
GPS / Location n/a Yes n/a Yes Yes
VR-ready - - Yes - -
Accessibility
Adjustable Text Size n/a - n/a Yes -
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes - -
MirrorLink - - Yes - -
Mobile Hotspot n/a - n/a Yes -
NFC - - Yes - -
USB Yes
Micro-USB
Yes
Mini-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a Yes n/a Yes Yes
Ringer ID n/a Yes n/a Yes Yes
Voice Dialing n/a Yes n/a - Yes
Customization
Custom Graphics n/a Yes n/a Yes Yes
Custom Ringtones n/a Yes n/a - Yes
Real-Music Ringers n/a Yes n/a Yes -
Data & Network
Data Tethering n/a - n/a - Yes
WAP / Web Browser n/a Yes n/a Yes Yes
Input
Predictive Text Entry n/a - n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen Yes - Yes - -
Memory
Memory Card Slot Yes - - Yes Yes
Messaging
Email Client n/a - n/a - -
Instant Messaging n/a - n/a - -
MMS n/a Yes n/a Yes -
Text Messaging Templates n/a - n/a Yes Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) Yes - Yes Yes -
Music Player n/a - n/a Yes Yes
Photo & Video
DLNA - - Yes - -
Miracast Yes - Yes - -
TV Output - - Yes - -
Power
Wireless Charging - - Yes - -
Productivity
Alarm n/a Yes n/a Yes Yes
Calculator n/a Yes n/a Yes Yes
Calendar n/a Yes n/a Yes Yes
To-Do List n/a - n/a - Yes
Voice Memo n/a Yes n/a Yes Yes
Software
BREW n/a Yes n/a - -
Games n/a Yes n/a - Yes
Java (J2ME) n/a - n/a - Yes
Voice
HD Voice Yes * - Yes Yes -
Headset Jack (2.5 mm) n/a Yes n/a - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel ZTE MSGM8 II Samsung Galaxy S6 (CDMA) Coolpad Snap Samsung M520
  X > < X > < X > < X > < X

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

 
Phone LG K4 / Optimus Zone 3 / Rebel ZTE MSGM8 II Samsung Galaxy S6 (CDMA) Coolpad Snap Samsung M520

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