Polar M400 vs. Misfit Ray vs. Garmin Fenix 5 vs. Garmin 645 Music vs. Apple Watch 7

 
M400
Ray
Fenix 5
645 Music
Watch 7
 PolarM400Remove Buy NowMisfitRayRemove Buy NowGarminFenix 5Remove Buy NowGarmin645 MusicRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$100$599.99$450$429
Release20142016201720182021

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months2 Weeks7 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240240 x 240396 x 484
Sizen/an/a1.2 inches1.2 inches1.9 inches
Touchn/a
Typen/aLEDnaMIPMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatchOS 8
Apps
Music

All Wearables