Apple Watch Series 3 vs. Garmin Vivoactive HR vs. Diesel On Full Guard vs. Apple Watch Series 4 vs. Amazfit T-Rex

 
Watch Series 3
Vivoactive HR
On Full Guard
Watch Series 4
T-Rex
 AppleWatch Series 3Remove Buy NowGarminVivoactive HRRemove Buy NowDieselOn Full GuardRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$250$325$329$140
Release20172016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours13 hours to 8 days1 dayNot Yet20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312148 x 205454 x 454384 x 480360 x 360
Size1.5 inches or 1.65 inches1.38 inches1.4 inches1.78 inches1.3 inches
Touch
TypeAMOLEDn/aOMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP67Not Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aAndroid Wear 2.0Watch OS 5Build-in
Apps
Music

All Wearables