Fitbit One vs. ASUS ZenWatch 3 vs. Apple Watch vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
One
ZenWatch 3
Watch
G-Shock GBA800
T-Rex
 FitbitOneRemove Buy NowASUSZenWatch 3Remove Buy NowAppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$229$349$120$140
Release20122017201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days48 hours18 hours2 years20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400340 x 272 or 390 x 312360 x 360
Sizen/a1.39 inches1.5 inches or 1.65 inches1.3 inches
Touch
TypeOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIPX720 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Watch OSBuild-in
Apps
Music

All Wearables