Garmin Forerunner 225 vs. Amazfit Stratos vs. Acer Liquid Leap vs. Garmin 645 Music vs. Apple Watch 7

 
Forerunner 225
Stratos
Liquid Leap
645 Music
Watch 7
 GarminForerunner 225Remove Buy NowAmazfitStratosRemove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$199$90$450$429
Release20152018201520182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days5 to 7 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 180320 x 300128 x 32240 x 240396 x 484
Size1 inch1.34 inches1 inch1.2 inches1.9 inches
Touch
Typen/aOLEDOLEDMIPMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIPX45 ATMwater resistant but not waterproof

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aProprietaryWatchOS 8
Appsn/a
Musicn/a

All Wearables