Fitbit Alta HR vs. Polar A370 vs. Apple Watch Series 5 vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Alta HR
A370
Watch Series 5
T-Rex
VivoActive 4
 FitbitAlta HRRemove Buy NowPolarA370Remove Buy NowAppleWatch Series 5Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$179.95$329$140$349
Release20172017201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 daysUp to 3 daysNot Yet20 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36160 x 80384 x 480360 x 360260 x 260
Size1.4 inches1.18 inches1.78 Inches1.3 inches1.3ionches
Touch
TypeOLEDTFT LCDMicroLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR30Not Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 5Build-inWear OS
Apps
Music

All Wearables