Fitbit Flex 2 vs. Amazfit Arc vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. Michael Kors Access Sofie HR

 
Flex 2
Arc
Watch Series 4
Forerunner 45
Access Sofie HR
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$100$69.99$329$199$395
Release20162016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 daysNot Yet7 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40384 x 480208 x 208390 x 390
Sizen/a0.42 inches1.78 inches1.04 inches1.19 inches
Touchn/a
TypeLEDOLEDMicroLEDLCDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67Not Yet5 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5Built-inWear OS
Apps
Music

All Wearables