Polar M400 vs. Fitbit One vs. Motorola Moto 360 (1st Gen) vs. Garmin Forerunner 45 vs. Apple Series 6

 
M400
One
Moto 360 (1st Gen)
Forerunner 45
Series 6
 PolarM400Remove Buy NowFitbitOneRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$100$150$199$399
Release20142012201420192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days1 day7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 260208 x 208384 x 480
Sizen/an/a1.56 inches1.04 inches40mm
Touch
Typen/aOLEDLCDLCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATMSplast ResistantIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearBuilt-inWatchOS 5
Apps
MusicNA

All Wearables