Polar M400 vs. Amazfit Stratos vs. MobVoi TicWatch Pro vs. Polar Loop vs. Garmin VivoActive 4

 
M400
Stratos
TicWatch Pro
Loop
VivoActive 4
 PolarM400Remove Buy NowAmazfitStratosRemove Buy NowMobVoiTicWatch ProRemove Buy NowPolarLoopRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$200$199$300$100$349
Release20142018201820132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days30 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300400 x 400NA260 x 260
Sizen/a1.34 inches1.4 inchesNA1.3ionches
Touch
Typen/aOLEDOLED/FSTNLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP682 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSNAWear OS
Apps
Music

All Wearables