ASUS ZenWatch 3 vs. Amazfit Stratos vs. Casio G-Shock GBA800 vs. Fitbit Flex vs. Apple Watch Ultra

 
ZenWatch 3
Stratos
G-Shock GBA800
Flex
Watch Ultra
 ASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$229$199$120$100$799
Release20172018201820132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours5 days2 years5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400320 x 300NA502x410 pixels
Size1.39 inches1.34 inchesNA1.92 inches
TouchNA
TypeAMOLEDOLEDLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2ProprietaryNAWatchOS 9
Apps
Music

All Wearables