Apple Watch Series 4 vs. Apple Watch Series 5 vs. Fitbit Inspire HR vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Watch Series 4
Watch Series 5
Inspire HR
T-Rex
VivoActive 4
 AppleWatch Series 4Remove Buy NowAppleWatch Series 5Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$329$329$99$140$349
Release20182019201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationNot YetNot Yet5 days20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution384 x 480384 x 480139 x 60360 x 360260 x 260
Size1.78 inches1.78 Inches1.4 inches1.3 inches1.3ionches
Touch
TypeMicroLEDMicroLEDOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceNot YetNot Yet5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OS 5WatchOS 5Fitbit OSBuild-inWear OS
Apps
Music

All Wearables