Polar M400 vs. Samsung Gear S vs. Apple Watch Series 2 vs. Diesel On Full Guard 2.5 vs. Michael Kors Access Sofie HR

 
M400
Gear S
Watch Series 2
On Full Guard 2.5
Access Sofie HR
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowAppleWatch Series 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$200$250$269$325$395
Release20142013201620182019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a18 hours4 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360340 x 272 or 390 x 312454x454390 x 390
Sizen/a2 inches1.5 inches or 1.65 inches1.39 inches1.19 inches
Touch
Typen/aSuper AMOLEDAMOLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675ATM3 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenWatch OSWear OSWear OS
Apps
Music

All Wearables