Fitbit Charge 2 vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Vivosmart HR Plus vs. Garmin Instinct

 
Charge 2
645 Music
Flex
Vivosmart HR Plus
Instinct
 FitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$150$450$100$179$300
Release20162018201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days5 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA160 x 68128 x 128
Sizen/a1.2 inchesNA0.5 inches x 0.8 inches0.9 inches
Touchn/aNA
TypeOLEDMIPLEDLCDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables