Polar M400 vs. Garmin Fenix 5s Plus vs. Polar A370 vs. Sony SmartBand vs. Apple Series 6

 
M400
Fenix 5s Plus
A370
SmartBand
Series 6
 PolarM400Remove Buy NowGarminFenix 5s PlusRemove Buy NowPolarA370Remove Buy NowSonySmartBandRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$799$179.95$100$399
Release20142018201720142020

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 daysUp to 3 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a240 x 240160 x 80NA384 x 480
Sizen/a1.2 inches1.18 inchesNA40mm
TouchNA
Typen/aMIPTFT LCDNAMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM10 ATMWR30IP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNAWatchOS 5
Apps
Music

All Wearables