Polar M400 vs. Withings Activite Sapphire vs. Garmin Fenix 5s Plus vs. Apple Watch Series 4 vs. Apple Watch 7

 
M400
Activite Sapphire
Fenix 5s Plus
Watch Series 4
Watch 7
 PolarM400Remove Buy NowWithingsActivite SapphireRemove Buy NowGarminFenix 5s PlusRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$450$799$329$429
Release20142014201820182021

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months7 daysNot Yet18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240384 x 480396 x 484
Sizen/a1.3 inches1.2 inches1.78 inches1.9 inches
Touch
Typen/aAnalogMIPMicroLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM10 ATMNot Yetwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWatch OS 5WatchOS 8
Apps
Music

All Wearables