Polar M400 vs. Casio G-Shock GBA800 vs. Garmin Forerunner 45 vs. Michael Kors Access Sofie HR vs. Mobvoi TicWatch e2

 
M400
G-Shock GBA800
Forerunner 45
Access Sofie HR
TicWatch e2
 PolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminForerunner 45Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$120$199$395$200
Release20142018201920192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 years7 days2 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a208 x 208390 x 390360 x 360
Sizen/a1.04 inches1.19 inches1.2 inches
Touch
Typen/aLCDOMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM20 ATM5 ATM0.3 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inWear OSWear OS
Apps
Music

All Wearables