Fitbit Alta vs. ASUS ZenWatch 3 vs. Apple Watch vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex

 
Alta
ZenWatch 3
Watch
On Full Guard 2.5
T-Rex
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowAppleWatchRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$229$349$325$140
Release20162017201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours18 hours4 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400340 x 272 or 390 x 312454x454360 x 360
Sizen/a1.39 inches1.5 inches or 1.65 inches1.39 inches1.3 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX73 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Watch OSWear OSBuild-in
Apps
Music

All Wearables