Polar Loop 2 vs. Withings Go vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. Garmin Instinct

 
Loop 2
Go
Watch Series 4
Forerunner 45
Instinct
 PolarLoop 2Remove Buy NowWithingsGoRemove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$120$80$329$199$300
Release20152016201820192018

Activity & Fitness

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

Battery

Duration8 days (without notifications)8 monthsNot Yet7 days14 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a384 x 480208 x 208128 x 128
Sizen/an/a1.78 inches1.04 inches0.9 inches
Touchn/a
TypeLEDE-InkMicroLEDLCDOMOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATMNot Yet5 ATM10 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aWatch OS 5Built-in
Appsn/a
Music

All Wearables