Polar M400 vs. Apple Watch vs. Polar Loop vs. Garmin Forerunner 45 vs. Mobvoi TicWatch S2

 
M400
Watch
Loop
Forerunner 45
TicWatch S2
 PolarM400Remove Buy NowAppleWatchRemove Buy NowPolarLoopRemove Buy NowGarminForerunner 45Remove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$200$349$100$199$180
Release20142015201320192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours5 days7 days2 DAYS
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NA208 x 208400 x 400
Sizen/a1.5 inches or 1.65 inchesNA1.04 inches1.39 inches
Touch
Typen/aAMOLEDLEDLCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX72 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNABuilt-inWear OS
Apps
Music

All Wearables