Polar M400 vs. Polar Loop 2 vs. Garmin Forerunner 45 vs. Garmin Instinct vs. Mobvoi TicWatch S2

 
M400
Loop 2
Forerunner 45
Instinct
TicWatch S2
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$200$120$199$300$180
Release20142015201920182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)7 days14 days2 DAYS
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a208 x 208128 x 128400 x 400
Sizen/an/a1.04 inches0.9 inches1.39 inches
Touch
Typen/aLEDLCDOMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuilt-inWear OS
Apps
Music

All Wearables