Polar Loop 2 vs. Pebble Core vs. Michael Kors Access Sofie HR vs. Garmin Vivosmart 4 vs. Garmin VivoActive 4

 
Loop 2
Core
Access Sofie HR
Vivosmart 4
VivoActive 4
 PolarLoop 2Remove Buy NowPebbleCoreRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowGarminVivosmart 4Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$120$99$395$130$349
Release20152016201920182019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration8 days (without notifications)NA2 days7 days8 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA390 x 39048 x 128260 x 260
Sizen/aNA1.19 inches0.74 inches1.3ionches
TouchNA
TypeLEDNAOMOLEDOLEDMIP

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMNA0.3 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNAWear OSWear OS
Apps
Music

All Wearables