Polar Loop 2 vs. Garmin Forerunner 45 vs. Garmin VivoActive 4 vs. HTC re Grip vs. Apple Watch 7

 
Loop 2
Forerunner 45
VivoActive 4
re Grip
Watch 7
 PolarLoop 2Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$120$199$349$199$429
Release20152019201920202021

Activity & Fitness

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

Battery

Duration8 days (without notifications)7 days8 days5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a208 x 208260 x 260160 x 32396 x 484
Sizen/a1.04 inches1.3ionches1.8 inches1.9 inches
Touch
TypeLEDLCDMIPPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATMIP57water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inWear OSNAWatchOS 8
Apps
Music

All Wearables