Fitbit Charge 2 vs. Polar M430 vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Charge 2
M430
Flex
Forerunner 45
VivoActive 4
 FitbitCharge 2Remove Buy NowPolarM430Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$255$100$199$349
Release20162017201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours5 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128NA208 x 208260 x 260
Sizen/a1.4 inchNA1.04 inches1.3ionches
Touchn/aNA
TypeOLEDLCDLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aWR301 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inWear OS
Apps
Music

All Wearables