Garmin Forerunner 225 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Garmin 645 Music vs. Apple Watch Ultra

 
Forerunner 225
Watch Series 2
Ionic
645 Music
Watch Ultra
 GarminForerunner 225Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$300$269$299$450$799
Release20152016201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks18 hours4+ days7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180340 x 272 or 390 x 312348x250240 x 240502x410 pixels
Size1 inch1.5 inches or 1.65 inches1.421.2 inches1.92 inches
Touch
Typen/aAMOLEDOLEDMIP

Functions

Audio Speaker22
ClockLTPO OLED Retina
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM50m5 ATM10 ATM (100 Meters)

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aWatch OSFitbit OSWatchOS 9
Appsn/a
Musicn/a

All Wearables