Polar M400 vs. Polar Loop vs. Fossil Gen 5 Smartwatch Carlyle vs. Garmin VivoActive 4 vs. Fitbit Sense 2

 
M400
Loop
Gen 5 Smartwatch Carlyle
VivoActive 4
Sense 2
 PolarM400Remove Buy NowPolarLoopRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowGarminVivoActive 4Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$100$295$349$300
Release20142013201920192022

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1 day8 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA328 x 328260 x 260336x336
Sizen/aNA1.3 inches1.3ionches1.59 inches
Touch
Typen/aLEDAMOLEDMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSWear OS
Apps
Music

All Wearables