Polar M400 vs. Garmin Vivosmart HR vs. Microsoft Band 2 vs. Mobvoi TicWatch S2 vs. Apple Series 6

 
M400
Vivosmart HR
Band 2
TicWatch S2
Series 6
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMicrosoftBand 2Remove Buy NowMobvoiTicWatch S2Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$170$250$180$399
Release20142015201520192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days48 hours (without GPS)2 DAYSNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68320 x 128400 x 400384 x 480
Sizen/a1.08 inches1.36 inches1.39 inches40mm
Touch
Typen/an/aCapacitative TFTOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM5 ATMIPX75 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSWatchOS 5
Apps
Music

All Wearables