Garmin Forerunner 225 vs. Acer Liquid Leap vs. Garmin 645 Music vs. Fitbit Alta HR vs. Apple SE

 
Forerunner 225
Liquid Leap
645 Music
Alta HR
SE
 GarminForerunner 225Remove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$300$90$450$150$279
Release20152015201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 to 7 days7 days7 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180128 x 32240 x 240128 x 36384 x 480
Size1 inch1 inch1.2 inches1.4 inches40mm
Touch
Typen/aOLEDMIPOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATMIPX45 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aWatchOS 5
Appsn/a
Musicn/a

All Wearables