Fitbit One vs. Garmin Forerunner 935 vs. Casio G-Shock GBA800 vs. Casio WSD-F20A vs. Amazfit T-Rex

 
One
Forerunner 935
G-Shock GBA800
WSD-F20A
T-Rex
 FitbitOneRemove Buy NowGarminForerunner 935Remove Buy NowCasioG-Shock GBA800Remove Buy NowCasioWSD-F20ARemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$500$120$399$140
Release20122017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 daysUp to 2 weeks2 years1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 320360 x 360
Sizen/a1.2 inches1.32 inches1.3 inches
Touch
TypeOLEDLCDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM20 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuild-in
Apps
Music

All Wearables