Amazfit Stratos vs. Garmin 645 Music vs. Michael Kors Grayson vs. Mobvoi TicWatch S vs. Fitbit Alta HR vs. Michael Kors Grayson

 
Stratos
645 Music
Grayson
TicWatch S
Alta HR
Grayson
 AmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch SRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$199$450$350$199$150$350
Release201820182018201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days24 hours1.5-2 days7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300240 x 240453 x 454400 x 400128 x 36453x454
Size1.34 inches1.2 inches1.39 inches1.4 inches1.4 inches1.39 inches
Touch
TypeOLEDMIPAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryAndroid WearAndroid Wear 2.0Android Wear
Apps
Music

All Wearables