Polar M400 vs. Amazfit Pace vs. Diesel On Full Guard 2.5 vs. Apple Watch 7 vs. Fitbit Sense 2

 
M400
Pace
On Full Guard 2.5
Watch 7
Sense 2
 PolarM400Remove Buy NowAmazfitPaceRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 7Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$130$325$429$300
Release20142017201820212022

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days4 days18 Hours6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300454x454396 x 484336x336
Sizen/a1.34 inches1.39 inches1.9 inches1.59 inches
Touch
Typen/aTFT LCDMicroLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP673 ATMwater resistant but not waterproof5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSWatchOS 8
Apps
Music

All Wearables