Polar V800 vs. Amazfit Cor vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Amazfit T-Rex

 
V800
Cor
Forerunner 235
Alta HR
T-Rex
 PolarV800Remove Buy NowAmazfitCorRemove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$470$79.99$299.99$150$140
Release20142018201720172019

Activity & Fitness

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

Battery

Duration13 hours to 30 days12 days9 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160215 x 180128 x 36360 x 360
Sizen/a1.23 inches1.23 inches1.4 inches1.3 inches
Touch
Typen/aIPS LCDMIPOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-in
Apps
Music

All Wearables