Polar Loop 2 vs. Garmin Chronos vs. Polar A370 vs. Garmin VivoActive 4

 
Loop 2
Chronos
A370
VivoActive 4
 PolarLoop 2Remove Buy NowGarminChronosRemove Buy NowPolarA370Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$120$1500$179.95$349
Release2015201820172019

Activity & Fitness

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

Battery

Duration8 days (without notifications)8 daysUp to 3 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a218 x 218160 x 80260 x 260
Sizen/a1.2 inches1.18 inches1.3ionches
Touch
TypeLEDMIPTFT LCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM10 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OS
Apps
Music

All Wearables