Polar Loop 2 vs. Pebble Core vs. Xiaomi Mi Band 3 vs. Fitbit Versa 2 vs. Garmin Vivosmart 4

 
Loop 2
Core
Mi Band 3
Versa 2
Vivosmart 4
 PolarLoop 2Remove Buy NowPebbleCoreRemove Buy NowXiaomiMi Band 3Remove Buy NowFitbitVersa 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$99$44.95$199$130
Release20152016201820192018

Activity & Fitness

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

Battery

Duration8 days (without notifications)NA20 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA128 x 80300 x 30048 x 128
Sizen/aNA0.78 inches1.34 inches0.74 inches
TouchNA
TypeLEDNAOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMNA5 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNABuild-in
Apps
Music

All Wearables