Garmin 645 Music vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. LG G Watch R vs. Garmin Vivosmart 4

 
645 Music
Watch Series 4
Forerunner 45
G Watch R
Vivosmart 4
 Garmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowLGG Watch RRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$329$199$300$130
Release20182018201920142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 daysNot Yet7 days2 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240384 x 480208 x 208320 x 32048 x 128
Size1.2 inches1.78 inches1.04 inches1.3 inches0.74 inches
Touch
TypeMIPMicroLEDLCDP-OLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMNot Yet5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OS 5Built-inAndroid Wear
Apps
Music

All Wearables