Apple Watch Series 3 vs. Apple Watch vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Grayson vs. Xiaomi Mi Band 4

 
Watch Series 3
Watch
Grayson
Alta HR
Grayson
Mi Band 4
 AppleWatch Series 3Remove Buy NowAppleWatchRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$329$349$350$150$350$25
Release201720152018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours18 hours24 hours7 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312340 x 272 or 390 x 312453 x 454128 x 36453x454120x240
Size1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.39 inches1.4 inches1.39 inches0.95 inches
Touch
TypeAMOLEDAMOLEDAMOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX71 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Watch OSAndroid WearAndroid WearAMAZFIT OS
Apps
Music

All Wearables