Garmin Forerunner 935 vs. Casio WSD-F20A vs. Garmin 645 Music vs. HTC re Grip vs. Apple Watch Ultra

 
Forerunner 935
WSD-F20A
645 Music
re Grip
Watch Ultra
 GarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowHTCre GripRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$500$399$450$199$799
Release20172018201820202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks1 day7 days5 hours to 2.5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 320240 x 240160 x 32502x410 pixels
Size1.2 inches1.32 inches1.2 inches1.8 inches1.92 inches
Touch
TypeLCDLCDMIPPMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMIP5710 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNAWatchOS 9
Apps
Music

All Wearables