Apple Watch Series 2 vs. Amazfit Stratos vs. Michael Kors Access Sofie vs. Fitbit Alta HR vs. Garmin VivoActive 4

 
Watch Series 2
Stratos
Access Sofie
Alta HR
VivoActive 4
 AppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$269$199$395$150$349
Release20162018201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days1 day7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 300390 x 390 1.19 inches128 x 36260 x 260
Size1.5 inches or 1.65 inches1.34 inches1.4 inches1.3ionches
TouchAMOLDED
TypeAMOLEDOLEDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSProprietaryAndroid Wear 2.0Wear OS
Apps
Music

All Wearables