Polar V800 vs. Fitbit Alta HR vs. Apple Watch Series 5 vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
V800
Alta HR
Watch Series 5
T-Rex
VivoActive 4
 PolarV800Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 5Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$470$150$329$140$349
Release20142017201920192019

Activity & Fitness

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

Battery

Duration13 hours to 30 days7 daysNot Yet20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 36384 x 480360 x 360260 x 260
Sizen/a1.4 inches1.78 Inches1.3 inches1.3ionches
Touch
Typen/aOLEDMicroLEDAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMNot Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatchOS 5Build-inWear OS
Apps
Music

All Wearables