Garmin Forerunner 225 vs. Polar M430 vs. Garmin Forerunner 235 vs. Garmin Vivosmart 3 vs. Amazfit T-Rex

 
Forerunner 225
M430
Forerunner 235
Vivosmart 3
T-Rex
 GarminForerunner 225Remove Buy NowPolarM430Remove Buy NowGarminForerunner 235Remove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$255$299.99$139.99$140
Release20152017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks30 hours9 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180128x128215 x 18064 x 128360 x 360
Size1 inch1.4 inch1.23 inchesNA1.3 inches
Touch
Typen/aLCDMIPOLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables