Garmin Vivoactive HR vs. Garmin 645 Music vs. Apple Watch Series 4 vs. Garmin Vivosmart 4 vs. HTC re Grip

 
Vivoactive HR
645 Music
Watch Series 4
Vivosmart 4
re Grip
 GarminVivoactive HRRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$250$450$329$130$199
Release20162018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days7 daysNot Yet7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution148 x 205240 x 240384 x 48048 x 128160 x 32
Size1.38 inches1.2 inches1.78 inches0.74 inches1.8 inches
Touch
Typen/aMIPMicroLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNot Yet5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5NA
Apps
Music

All Wearables