Apple Watch Series 3 vs. Garmin Vivomove vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Vivosmart 3

 
Watch Series 3
Vivomove
645 Music
Flex
Vivosmart 3
 AppleWatch Series 3Remove Buy NowGarminVivomoveRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 3Remove Buy Now

Basic Info

Suggested Price$329$250$450$100$139.99
Release20172016201820132017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours1 year7 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a240 x 240NA64 x 128
Size1.5 inches or 1.65 inchesn/a1.2 inchesNANA
Touchn/aNA
TypeAMOLEDn/aMIPLEDOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4n/aNA
Apps
Music

All Wearables