Garmin Forerunner 225 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Amazfit T-Rex vs. Apple Watch 7

 
Forerunner 225
ZenWatch
WSD-F20A
T-Rex
Watch 7
 GarminForerunner 225Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$150$399$140$429
Release20152014201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeksNA1 day20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180320 x 320320 x 320360 x 360396 x 484
Size1 inch1.63 inches1.32 inches1.3 inches1.9 inches
Touch
Typen/aAMOLEDLCDAMOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP555 ATM5 ATMwater resistant but not waterproof

Notifications

Phonen/a
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/aAndroid WearWear OSBuild-inWatchOS 8
Appsn/a
Musicn/a

All Wearables