Fitbit Charge 2 vs. Diesel On Full Guard vs. Apple Watch Series 4 vs. Amazfit GTS vs. Apple Watch 8

 
Charge 2
On Full Guard
Watch Series 4
GTS
Watch 8
 FitbitCharge 2Remove Buy NowDieselOn Full GuardRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitGTSRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$150$325$329$150$499
Release20162017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 dayNot Yet14 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a454 x 454384 x 480348 x 442340 x 272 or 390 x 312
Sizen/a1.4 inches1.78 inches1.65 inches1.5 inches or 1.65 inches
Touchn/a
TypeOLEDOMOLEDMicroLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP67Not Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Watch OS 5Wear OSWatchOS 9
Apps
Music

All Wearables