Fitbit Alta vs. ASUS ZenWatch 3 vs. Diesel On Full Guard 2.5 vs. Amazfit T-Rex vs. Apple Watch 7

 
Alta
ZenWatch 3
On Full Guard 2.5
T-Rex
Watch 7
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$229$325$140$429
Release20162017201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4 days20 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400454x454360 x 360396 x 484
Sizen/a1.39 inches1.39 inches1.3 inches1.9 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSBuild-inWatchOS 8
Apps
Music

All Wearables