Image of a Watch Series 3
Image of a VivoWatch
Image of a G-Shock GBA800
Image of a Watch Series 4
Image of a T-Rex
 AppleWatch Series 3Remove Buy NowAsusVivoWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$160$120$329$140
Release20172018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours24 hours to 10 days2 yearsNot Yet20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312128 x 128384 x 480360 x 360
Size1.5 inches or 1.65 inchesNA1.78 inches1.3 inches
Touch
TypeAMOLEDNAMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP6720 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4KoodOSWatch OS 5Build-in
Apps
Music

All Wearables