Apple Watch vs. Garmin Chronos vs. Fitbit Alta HR vs. Garmin Vivosmart 4 vs. Apple Watch 7

 
Watch
Chronos
Alta HR
Vivosmart 4
Watch 7
 AppleWatchRemove Buy NowGarminChronosRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$349$1500$150$130$429
Release20152018201720182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours8 days7 days7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312218 x 218128 x 3648 x 128396 x 484
Size1.5 inches or 1.65 inches1.2 inches1.4 inches0.74 inches1.9 inches
Touch
TypeAMOLEDMIPOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX710 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWear OSWatchOS 8
Apps
Music

All Wearables