Amazfit Arc vs. Apple Watch vs. Polar A370 vs. Garmin Forerunner 45 vs. Apple Watch 8

 
Arc
Watch
A370
Forerunner 45
Watch 8
 AmazfitArcRemove Buy NowAppleWatchRemove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$69.99$349$179.95$199$499
Release20162015201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days18 hoursUp to 3 days7 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40340 x 272 or 390 x 312160 x 80208 x 208340 x 272 or 390 x 312
Size0.42 inches1.5 inches or 1.65 inches1.18 inches1.04 inches1.5 inches or 1.65 inches
Touch
TypeOLEDAMOLEDTFT LCDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IPX7WR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSBuilt-inWatchOS 9
Apps
Music

All Wearables