Polar M400 vs. Polar Loop 2 vs. Fitbit Versa vs. Apple Watch Series 5 vs. Diesel On Full Guard 2.5

 
M400
Loop 2
Versa
Watch Series 5
On Full Guard 2.5
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowFitbitVersaRemove Buy NowAppleWatch Series 5Remove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$200$120$199.99$329$325
Release20142015201820192018

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)4 daysNot Yet4 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a300 x300384 x 480454x454
Sizen/an/a1.34 inches1.78 Inches1.39 inches
Touch
Typen/aLEDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM5 ATMNot Yet3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatchOS 5Wear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables