Polar V800 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Garmin VivoActive 4 vs. HTC re Grip

 
V800
Stratos
Alta HR
VivoActive 4
re Grip
 PolarV800Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$470$199$150$349$199
Release20142018201720192020

Activity & Fitness

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

Battery

Duration13 hours to 30 days5 days7 days8 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300128 x 36260 x 260160 x 32
Sizen/a1.34 inches1.4 inches1.3ionches1.8 inches
Touch
Typen/aOLEDOLEDMIPPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSNA
Apps
Music

All Wearables