Garmin Vivofit 3 vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Casio WSD-F20A vs. Amazfit T-Rex

 
Vivofit 3
Watch Series 2
G-Shock GBA800
WSD-F20A
T-Rex
 GarminVivofit 3Remove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowCasioWSD-F20ARemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$269$120$399$140
Release20162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration1 year18 hours2 years1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution64 x 64340 x 272 or 390 x 312320 x 320360 x 360
Size0.55 inches1.5 inches or 1.65 inches1.32 inches1.3 inches
Touch
Typen/aAMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM20 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSBuild-in
Apps
Music

All Wearables