Garmin Forerunner 735XT vs. Garmin 645 Music vs. Garmin Vivosmart 4 vs. HTC re Grip vs. Apple Watch 7

 
Forerunner 735XT
645 Music
Vivosmart 4
re Grip
Watch 7
 GarminForerunner 735XTRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$450$450$130$199$429
Release20162018201820202021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days7 days7 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
Resolution215 x 180240 x 24048 x 128160 x 32396 x 484
Size1.23 inches1.2 inches0.74 inches1.8 inches1.9 inches
Touchn/a
Typen/aMIPOLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMIP57water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatchOS 8
Apps
Music

All Wearables