Polar M400 vs. Microsoft Band 2 vs. Garmin Forerunner 935 vs. Casio G-Shock GBA800 vs. Mobvoi TicWatch S2

 
M400
Band 2
Forerunner 935
G-Shock GBA800
TicWatch S2
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowGarminForerunner 935Remove Buy NowCasioG-Shock GBA800Remove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$200$250$500$120$180
Release20142015201720182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)Up to 2 weeks2 years2 DAYS
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128240 x 240400 x 400
Sizen/a1.36 inches1.2 inches1.39 inches
Touch
Typen/aCapacitative TFTLCDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATM20 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables