Polar A360 vs. Garmin Vivoactive 3 vs. Fitbit Alta HR vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
A360
Vivoactive 3
Alta HR
Forerunner 45
T-Rex
 PolarA360Remove Buy NowGarminVivoactive 3Remove Buy NowFitbitAlta HRRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$299$150$199$140
Release20152017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days7 days7 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80240 x 240128 x 36208 x 208360 x 360
Size1.18 inches1.2 inches1.4 inches1.04 inches1.3 inches
Touch
Typen/aMIPOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inBuild-in
Apps
Music

All Wearables