ASUS ZenWatch 2 vs. Fitbit Alta vs. Garmin Forerunner 45 vs. Amazfit T-Rex vs. Apple Watch 7

 
ZenWatch 2
Alta
Forerunner 45
T-Rex
Watch 7
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$130$199$140$429
Release20162016201920192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 days20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a208 x 208360 x 360396 x 484
Size1.63 inches or 1.45 inchn/a1.04 inches1.3 inches1.9 inches
Touchn/a
TypeAMOLEDOLEDLCDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/aBuilt-inBuild-inWatchOS 8
Apps
Music

All Wearables