Polar M400 vs. Garmin Forerunner 935 vs. Polar Loop vs. Garmin Forerunner 45 vs. Fossil Gen 5 Smartwatch Carlyle

 
M400
Forerunner 935
Loop
Forerunner 45
Gen 5 Smartwatch Carlyle
 PolarM400Remove Buy NowGarminForerunner 935Remove Buy NowPolarLoopRemove Buy NowGarminForerunner 45Remove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$200$500$100$199$295
Release20142017201320192019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysUp to 2 weeks5 days7 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA208 x 208328 x 328
Sizen/a1.2 inchesNA1.04 inches1.3 inches
Touch
Typen/aLCDLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inWear OS
Apps
Music

All Wearables