Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Alta HR vs. Apple Watch Series 5 vs. Apple Watch 8

 
Flex 2
ZenWatch 3
Alta HR
Watch Series 5
Watch 8
 FitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 5Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$229$150$329$499
Release20162017201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours7 daysNot Yet18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400128 x 36384 x 480340 x 272 or 390 x 312
Sizen/a1.39 inches1.4 inches1.78 Inches1.5 inches or 1.65 inches
Touchn/a
TypeLEDAMOLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2WatchOS 5WatchOS 9
Apps
Music

All Wearables