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

 
M430
Vivoactive 3
Vivosmart 4
T-Rex
VivoActive 4
 PolarM430Remove Buy NowGarminVivoactive 3Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$255$299$130$140$349
Release20172017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours7 days7 days20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128240 x 24048 x 128360 x 360260 x 260
Size1.4 inch1.2 inches0.74 inches1.3 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