Garmin Forerunner 225 vs. Amazfit Arc vs. Casio G-Shock GBA800 vs. Fitbit Flex vs. Amazfit T-Rex

 
Forerunner 225
Arc
G-Shock GBA800
Flex
T-Rex
 GarminForerunner 225Remove Buy NowAmazfitArcRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$69.99$120$100$140
Release20152016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks20 days2 years5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 18072 x40NA360 x 360
Size1 inch0.42 inchesNA1.3 inches
TouchNA
Typen/aOLEDLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP6720 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aNABuild-in
Appsn/a
Musicn/a

All Wearables