Polar M400 vs. Sony SmartWatch 3 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Mobvoi TicWatch S2

 
M400
SmartWatch 3
Forerunner 235
Flex
TicWatch S2
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$200$250$299.99$100$180
Release20142014201720132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days9 days5 days2 DAYS
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320215 x 180NA400 x 400
Sizen/a1.6 inches1.23 inchesNA1.39 inches
TouchNA
Typen/aTFT LCDMIPLEDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWear OS
Apps
Music

All Wearables