Polar Loop 2 vs. Garmin 645 Music vs. Fitbit Inspire HR vs. Amazfit GTR vs. Garmin Venu

 
Loop 2
645 Music
Inspire HR
GTR
Venu
 PolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy NowGarminVenuRemove Buy Now

Basic Info

Suggested Price$120$450$99$199$299
Release20152018201920192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)7 days5 days24 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240139 x 60454 x 454390 x 390
Sizen/a1.2 inches1.4 inches1.39 inches1.2 inches
Touch
TypeLEDMIPOLEDAMOLEDAMOLED

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/aFitbit OSBuild-inWear OS
Apps
Music

All Wearables