Polar M400 vs. Garmin Vivosmart HR vs. Mobvoi TicWatch 2 vs. Amazfit Stratos vs. Casio G-Shock GBA800

 
M400
Vivosmart HR
TicWatch 2
Stratos
G-Shock GBA800
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMobvoiTicWatch 2Remove Buy NowAmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$200$170$199$199$120
Release20142015201720182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1.5-2 Days5 days2 years
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68400 x 400320 x 300
Sizen/a1.08 inches1.4 inches1.34 inches
Touch
Typen/an/aOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP655 ATM20 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTicwear OSProprietary
Apps
Music

All Wearables