Garmin Vivoactive vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Instinct

 
Vivoactive
Flex 2
645 Music
Flex
Instinct
 GarminVivoactiveRemove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$250$100$450$100$300
Release20152016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days5 days7 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution205 x 148n/a240 x 240NA128 x 128
Size1.38 inchesn/a1.2 inchesNA0.9 inches
Touchn/aNA
TypeLCDLEDMIPLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables