Garmin Forerunner 935 vs. Apple Watch vs. Garmin 645 Music vs. Fitbit Flex vs. Apple Watch Ultra

 
Forerunner 935
Watch
645 Music
Flex
Watch Ultra
 GarminForerunner 935Remove Buy NowAppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$500$349$450$100$799
Release20172015201820132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks18 hours7 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240340 x 272 or 390 x 312240 x 240NA502x410 pixels
Size1.2 inches1.5 inches or 1.65 inches1.2 inchesNA1.92 inches
TouchNA
TypeLCDAMOLEDMIPLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSNAWatchOS 9
Apps
Music

All Wearables