Polar Loop 2 vs. Garmin 645 Music vs. Samsung Live vs. Garmin Forerunner 45 vs. Apple Watch 7

 
Loop 2
645 Music
Live
Forerunner 45
Watch 7
 PolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowSamsungLiveRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$120$450$200$199$429
Release20152018201420192021

Activity & Fitness

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

Battery

Duration8 days (without notifications)7 days1 Day7 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 320208 x 208396 x 484
Sizen/a1.2 inches1.63 inches1.04 inches1.9 inches
Touch
TypeLEDMIPSuper AMOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATMIP675 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearBuilt-inWatchOS 8
Apps
Music

All Wearables