Polar Loop 2 vs. Apple Watch Series 2 vs. Huawei Watch 2 vs. Garmin 645 Music vs. Garmin VivoActive 4

 
Loop 2
Watch Series 2
Watch 2
645 Music
VivoActive 4
 PolarLoop 2Remove Buy NowAppleWatch Series 2Remove Buy NowHuaweiWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$120$269$350$450$349
Release20152016201720182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)18 hours48 hours7 days8 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 312480 x 480240 x 240260 x 260
Sizen/a1.5 inches or 1.65 inches1.38 inches1.2 inches1.3ionches
Touch
TypeLEDAMOLEDP-OLEDMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2Wear OS
Apps
Music

All Wearables