Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Apple Watch Series 5

 
Flex 2
ZenWatch 3
645 Music
Forerunner 235
Watch Series 5
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowAppleWatch Series 5Remove Buy Now

Basic Info

Suggested Price$100$229$450$299.99$329
Release20162017201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours7 days9 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400240 x 240215 x 180384 x 480
Sizen/a1.39 inches1.2 inches1.23 inches1.78 Inches
Touchn/a
TypeLEDAMOLEDMIPMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2WatchOS 5
Apps
Music

All Wearables