Fitbit Alta vs. Garmin Forerunner 935 vs. Garmin 645 Music vs. Garmin Chronos vs. Michael Kors Access Sofie HR

 
Alta
Forerunner 935
645 Music
Chronos
Access Sofie HR
 FitbitAltaRemove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowGarminChronosRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$130$500$450$1500$395
Release20162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 2 weeks7 days8 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240240 x 240218 x 218390 x 390
Sizen/a1.2 inches1.2 inches1.2 inches1.19 inches
Touchn/a
TypeOLEDLCDMIPMIPOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM10 ATM0.3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWear OSWear OS
Apps
Music

All Wearables