Polar M430 vs. Garmin Forerunner 235 vs. Garmin Vivosmart 3 vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
M430
Forerunner 235
Vivosmart 3
T-Rex
VivoActive 4
 PolarM430Remove Buy NowGarminForerunner 235Remove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$255$299.99$139.99$140$349
Release20172017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours9 days5 days20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128215 x 18064 x 128360 x 360260 x 260
Size1.4 inch1.23 inchesNA1.3 inches1.3ionches
Touch
TypeLCDMIPOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemBuild-inWear OS
Apps
Music

All Wearables