Fitbit Flex 2 vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Diesel On Full Guard 2.5 vs. Michael Kors Grayson vs. Amazfit GTS

 
Flex 2
Grayson
Watch Series 4
On Full Guard 2.5
Grayson
GTS
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$350$329$325$350$150
Release201620182018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hoursNot Yet4 days24 hours14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454384 x 480454x454453x454348 x 442
Sizen/a1.39 inches1.78 inches1.39 inches1.39 inches1.65 inches
Touchn/a
TypeLEDAMOLEDMicroLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNot Yet3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWatch OS 5Wear OSAndroid WearWear OS
Apps
Music

All Wearables