ASUS ZenWatch 2 vs. ASUS ZenWatch 3 vs. Fitbit Charge HR vs. Amazfit GTS vs. Apple Watch 7

 
ZenWatch 2
ZenWatch 3
Charge HR
GTS
Watch 7
 ASUSZenWatch 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTSRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$229$150$150$429
Release20162017201520192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a48 hours5 days14 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320400 x 400NA348 x 442396 x 484
Size1.63 inches or 1.45 inch1.39 inchesNA1.65 inches1.9 inches
TouchNA
TypeAMOLEDAMOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP671 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid Wear 2NAWear OSWatchOS 8
Apps
Music

All Wearables