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Phone Asus ZenFone 4 Samsung SGH-X640 Nokia G100 Samsung Galaxy S6 (GSM) Kyocera Candid KX16
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 5.5" diag.
16 : 9
? 6.5" diag.
20 : 9
5.1" diag.
16 : 9
?
Display Resolution & Type 1080 x 1920 pixels
(~401 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
128 x 128 pixels
LCD (STN)
Display Refresh 60 Hz ? 60 Hz 60 Hz ?
Battery 3,300 mAh 800 mAh 5,000 mAh 2,550 mAh 900 mAh
Processor 2.2 GHz Qualcomm Snapdragon 630 ? 2 GHz Snapdragon 662 2.1 GHz Samsung Exynos 7420 ?
RAM 4 GB ? 3 GB 3 GB ?
Storage 64 GB ? raw hardware 32 GB 32 GB * ? raw hardware
Main Camera 12 megapixel Yes 13 megapixel 16 megapixel Yes
Wide Camera Yes - 8 megapixel - -
Tele Camera - - - - -
Video Capture 4K UHD - 1080p HD 4K UHD -
Front Camera 8 megapixel - 8 megapixel 5 megapixel -
Weight 5.47 oz
(155g)
3 oz
(85g)
6.87 oz
(195g)
4.87 oz
(138g)
3.9 oz
(111g)
Dimensions 6.12" x 2.96" x 0.3"
(155 x 75 x 7.7 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
6.56" x 3.02" x 0.35"
(167 x 77 x 8.8 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
3.54" x 1.89" x 0.98"
(90 x 48 x 24.9 mm)
Form Factor Slab Clamshell Slab Slab Clamshell
Platform / OS Android (proprietary) Android Android (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

Data Technology LTE (Cat 12) GPRS LTE (Cat 13) LTE (Cat 6) 1xRTT
Features 
Barometer - - Yes - -
Fingerprint Reader Yes
stand-alone
- Yes
stand-alone
Yes -
Flashlight Yes - Yes Yes Yes
GPS / Location n/a - n/a n/a Yes
VR-ready - - - Yes -
Water-Resistant - - Yes
IPX2 (drip)
- -
Accessibility
Hearing Aid Compatible Yes - Yes Yes -
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) - - - Yes Yes
Alerts
Extra Display - - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) - - - Yes -
MirrorLink - - - Yes -
NFC Yes - - Yes -
USB Yes
USB Type C
- Yes
USB Type C
Yes
Micro-USB
-
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 ac,b,g,n)
Yes
5 (802.11 a,ac,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 - n/a n/a Yes
Customization
Custom Graphics n/a Yes n/a n/a Yes
Custom Ringtones n/a Yes n/a n/a Yes
Data & Network
Data Tethering n/a - n/a n/a Yes
Dual-SIM Yes - - - -
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 - Yes Yes -
Memory
Memory Card Slot Yes - Yes - -
Messaging
EMS / Picture Messaging n/a Yes n/a n/a Yes
MMS n/a Yes n/a n/a Yes
Text Messaging Templates n/a Yes n/a n/a Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) Yes - Yes Yes -
Photo & Video
DLNA - - - Yes -
Miracast Yes - - Yes -
TV Output - - - Yes -
Power
Fast Charging Yes - Yes Yes -
Wireless 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 -
Voice Memo n/a Yes n/a n/a Yes
Software
BREW n/a - n/a n/a Yes
Games n/a Yes n/a n/a Yes
Java (J2ME) n/a Yes n/a n/a -
Voice
HD Voice - - Yes Yes -
Headset Jack (2.5 mm) n/a Yes n/a n/a Yes
Speaker Phone Yes Yes Yes Yes Yes
  Asus ZenFone 4 Samsung SGH-X640 Nokia G100 Samsung Galaxy S6 (GSM) Kyocera Candid KX16
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Asus ZenFone 4 Samsung SGH-X640 Nokia G100 Samsung Galaxy S6 (GSM) Kyocera Candid KX16

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