Apple Watch Series 3 vs. Polar M400 vs. Polar Loop vs. Fossil Gen 5 Smartwatch Carlyle vs. Apple Series 6

 
Watch Series 3
M400
Loop
Gen 5 Smartwatch Carlyle
Series 6
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowPolarLoopRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$329$200$100$295$399
Release20172014201320192020

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days5 days1 dayNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/aNA328 x 328384 x 480
Size1.5 inches or 1.65 inchesn/aNA1.3 inches40mm
Touch
TypeAMOLEDn/aLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM3 ATM2 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aNAWear OSWatchOS 5
Apps
Music

All Wearables