Pebble Core vs. Polar A370 vs. Fitbit Inspire HR vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Core
A370
Inspire HR
T-Rex
VivoActive 4
 PebbleCoreRemove Buy NowPolarA370Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$99$179.95$99$140$349
Release20162017201920192019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

DurationNAUp to 3 days5 days20 days8 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA160 x 80139 x 60360 x 360260 x 260
SizeNA1.18 inches1.4 inches1.3 inches1.3ionches
TouchNA
TypeNATFT LCDOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceNAWR305 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNAFitbit OSBuild-inWear OS
Apps
Music

All Wearables