Polar M400 vs. Samsung Gear S2 vs. Apple Watch vs. Garmin Fenix 5x Plus vs. Apple Watch 7

 
M400
Gear S2
Watch
Fenix 5x Plus
Watch 7
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowAppleWatchRemove Buy NowGarminFenix 5x PlusRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$300$349$850$429
Release20142015201520182021

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days18 hours20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360340 x 272 or 390 x 312240 x 240396 x 484
Sizen/a1.2 inches1.5 inches or 1.65 inches1.2 inches1.9 inches
Touch
Typen/aSuper AMOLEDAMOLEDMIPMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IPX710 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenWatch OSWear OSWatchOS 8
Apps
Music

All Wearables