Polar M400 vs. Garmin Fenix 5 vs. Diesel On Full Guard 2.5 vs. Garmin Forerunner 45 vs. Garmin Instinct

 
M400
Fenix 5
On Full Guard 2.5
Forerunner 45
Instinct
 PolarM400Remove Buy NowGarminFenix 5Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$200$599.99$325$199$300
Release20142017201820192018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 Weeks4 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240454x454208 x 208128 x 128
Sizen/a1.2 inches1.39 inches1.04 inches0.9 inches
Touch
Typen/anaLCDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM10 ATM3 ATM5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuilt-in
Apps
Music

All Wearables