Apple Watch vs. Casio G-Shock GBA800 vs. Polar Loop vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Watch
G-Shock GBA800
Loop
T-Rex
VivoActive 4
 AppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$349$120$100$140$349
Release20152018201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours2 years5 days20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312NA360 x 360260 x 260
Size1.5 inches or 1.65 inchesNA1.3 inches1.3ionches
Touch
TypeAMOLEDLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX720 ATM2 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSNABuild-inWear OS
Apps
Music

All Wearables