Polar M400 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. MobVoi TicWatch Pro vs. Apple Series 6

 
M400
WSD-F20A
Forerunner 235
TicWatch Pro
Series 6
 PolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowMobVoiTicWatch ProRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$399$299.99$300$399
Release20142018201720182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days1 day9 days30 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320215 x 180400 x 400384 x 480
Sizen/a1.32 inches1.23 inches1.4 inches40mm
Touch
Typen/aLCDMIPOLED/FSTNMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM5 ATM5 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWear OSWatchOS 5
Apps
Music

All Wearables