Polar Loop 2 vs. Apple Watch Series 2 vs. Amazfit Cor vs. Garmin Chronos vs. Garmin Vivosmart 4

 
Loop 2
Watch Series 2
Cor
Chronos
Vivosmart 4
 PolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitCorRemove Buy NowGarminChronosRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$269$79.99$1500$130
Release20152016201820182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)18 hours12 days8 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 31280 x 160218 x 21848 x 128
Sizen/a1.5 inches or 1.65 inches1.23 inches1.2 inches0.74 inches
Touch
TypeLEDAMOLEDIPS LCDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OS
Apps
Music

All Wearables