Garmin Forerunner 225 vs. Polar M400 vs. Acer Liquid Leap vs. Casio WSD-F20A vs. Amazfit T-Rex

 
Forerunner 225
M400
Liquid Leap
WSD-F20A
T-Rex
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowAcerLiquid LeapRemove Buy NowCasioWSD-F20ARemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$200$90$399$140
Release20152014201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks8 hours to 30 days5 to 7 days1 day20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a128 x 32320 x 320360 x 360
Size1 inchn/a1 inch1.32 inches1.3 inches
Touch
Typen/an/aOLEDLCDAMOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIPX45 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aWear OSBuild-in
Appsn/a
Musicn/a

All Wearables