Polar M400 vs. Garmin Vivosmart HR vs. Mobvoi TicWatch E vs. Fitbit Flex vs. Diesel On Full Guard 2.5

 
M400
Vivosmart HR
TicWatch E
Flex
On Full Guard 2.5
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowMobvoiTicWatch ERemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$200$170$159$100$325
Release20142015201720132018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days1.5-2 days5 days4 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68400 x 400NA454x454
Sizen/a1.08 inches1.4 inchesNA1.39 inches
TouchNA
Typen/an/aOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP671 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0NAWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables