Polar M400 vs. Polar Loop 2 vs. Amazfit Pace vs. Apple Series 6

 
M400
Loop 2
Pace
Series 6
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowAmazfitPaceRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$120$130$399
Release2014201520172020

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 300384 x 480
Sizen/an/a1.34 inches40mm
Touch
Typen/aLEDTFT LCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM2 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryWatchOS 5
Apps
Music

All Wearables