Polar Loop 2 vs. Garmin Forerunner 935 vs. Amazfit Stratos vs. Garmin Vivofit 4 vs. Fitbit Inspire 3

 
Loop 2
Forerunner 935
Stratos
Vivofit 4
Inspire 3
 PolarLoop 2Remove Buy NowGarminForerunner 935Remove Buy NowAmazfitStratosRemove Buy NowGarminVivofit 4Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$120$500$199$79.95$100
Release20152017201820182022

Activity & Fitness

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

Battery

Duration8 days (without notifications)Up to 2 weeks5 days1 year10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 30088 x 8832x18
Sizen/a1.2 inches1.34 inchesNA46 inches
Touch
TypeLEDLCDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietary
Apps
Music

All Wearables