Fitbit One vs. Garmin Vivosmart HR vs. Casio G-Shock GBA800 vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
One
Vivosmart HR
G-Shock GBA800
Vivofit 4
T-Rex
 FitbitOneRemove Buy NowGarminVivosmart HRRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$170$120$79.95$140
Release20122015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days5 days2 years1 year20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 6888 x 88360 x 360
Sizen/a1.08 inchesNA1.3 inches
Touch
TypeOLEDn/aNAAMOLED

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/an/aBuild-in
Apps
Music

All Wearables