Apple Watch vs. Garmin 645 Music vs. Garmin Fenix 5X vs. Fitbit Flex vs. Apple Watch Ultra

 
Watch
645 Music
Fenix 5X
Flex
Watch Ultra
 AppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5XRemove Buy NowFitbitFlexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$349$450$699$100$799
Release20152018201720132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours7 daysUp to 12 days5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312240 x 240240 x240NA502x410 pixels
Size1.5 inches or 1.65 inches1.2 inches1.2 inchesNA1.92 inches
TouchNA
TypeAMOLEDMIPNALED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM10 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSNAWatchOS 9
Apps
Music

All Wearables