Amazfit Stratos vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Garmin Vivosmart 3 vs. Michael Kors Grayson vs. Apple Watch Ultra

 
Stratos
Grayson
Alta HR
Vivosmart 3
Grayson
Watch Ultra
 AmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$199$350$150$139.99$350$799
Release201820182017201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours7 days5 days24 hours36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300453 x 454128 x 3664 x 128453x454502x410 pixels
Size1.34 inches1.39 inches1.4 inchesNA1.39 inches1.92 inches
Touch
TypeOLEDAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryAndroid WearAndroid WearWatchOS 9
Apps
Music

All Wearables