Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Fitbit Charge 3 vs. Apple Watch Series 4 vs. LG G Watch R

 
Flex 2
Vivosmart HR
Charge 3
Watch Series 4
G Watch R
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch Series 4Remove Buy NowLGG Watch RRemove Buy Now

Basic Info

Suggested Price$100$170$150$329$300
Release20162015201820182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 daysNot Yet2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/aNot yetn/a

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 6866 x 18384 x 480320 x 320
Sizen/a1.08 inches.721 inches1.78 inches1.3 inches
Touchn/a
TypeLEDn/aOLEDMicroLEDP-OLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMNot YetIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatch OS 5Android Wear
Apps
Music

All Wearables