Polar M400 vs. Motorola Moto 360 (1st Gen) vs. Polar Loop vs. Fossil Gen 5 Smartwatch Carlyle vs. Fitbit Sense 2

 
M400
Moto 360 (1st Gen)
Loop
Gen 5 Smartwatch Carlyle
Sense 2
 PolarM400Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowPolarLoopRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$150$100$295$300
Release20142014201320192022

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day5 days1 day6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 260NA328 x 328336x336
Sizen/a1.56 inchesNA1.3 inches1.59 inches
Touch
Typen/aLCDLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP672 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWear OS
Apps
MusicNA

All Wearables