Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Chronos vs. Garmin Vivosmart HR Plus vs. Apple Watch 7

 
Flex 2
645 Music
Chronos
Vivosmart HR Plus
Watch 7
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$450$1500$179$429
Release20162018201820172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days8 days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240218 x 218160 x 68396 x 484
Sizen/a1.2 inches1.2 inches0.5 inches x 0.8 inches1.9 inches
Touchn/a
TypeLEDMIPMIPLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatchOS 8
Apps
Music

All Wearables