Polar M400 vs. Garmin Vivosmart HR vs. Apple Watch Series 2 vs. Diesel On Full Guard vs. Samsung Gear Fit2 Pro

 
M400
Vivosmart HR
Watch Series 2
On Full Guard
Gear Fit2 Pro
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowAppleWatch Series 2Remove Buy NowDieselOn Full GuardRemove Buy NowSamsungGear Fit2 ProRemove Buy Now

Basic Info

Suggested Price$200$170$269$325$199.99
Release20142015201620172017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days18 hours1 day2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68340 x 272 or 390 x 312454 x 454216 x 432
Sizen/a1.08 inches1.5 inches or 1.65 inches1.4 inches1.5 inches
Touch
Typen/an/aAMOLEDOMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSAndroid Wear 2.0Tizen OS
Apps
Music

All Wearables