ASUS ZenWatch 2 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Amazfit GTS vs. Apple Watch 7

 
ZenWatch 2
645 Music
Alta HR
GTS
Watch 7
 ASUSZenWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitGTSRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$450$150$150$429
Release20162018201720192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days7 days14 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320240 x 240128 x 36348 x 442396 x 484
Size1.63 inches or 1.45 inch1.2 inches1.4 inches1.65 inches1.9 inches
Touch
TypeAMOLEDMIPOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearWear OSWatchOS 8
Apps
Music

All Wearables