Fitbit Flex vs. Garmin Vivosmart 3 vs. Microsoft Band vs. Apple Watch Series 4 vs. Garmin Forerunner 45

 
Flex
Vivosmart 3
Band
Watch Series 4
Forerunner 45
 FitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy NowMicrosoftBandRemove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$139.99$200$329$199
Release20132017201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days2 daysNot Yet7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA64 x 128320 x 106384 x 480208 x 208
SizeNANA1.37 inches1.78 inches1.04 inches
TouchNA
TypeLEDOLEDCapacitative TFTMicroLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATMIP67Not Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAWatch OS 5Built-in
Apps
Music

All Wearables