Polar M400 vs. Amazfit Cor vs. Fitbit Alta HR vs. Pebble Core vs. Fitbit Sense 2

 
M400
Cor
Alta HR
Core
Sense 2
 PolarM400Remove Buy NowAmazfitCorRemove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$79.99$150$99$300
Release20142018201720162022

Activity & Fitness

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

Battery

Duration8 hours to 30 days12 days7 daysNA6 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160128 x 36NA336x336
Sizen/a1.23 inches1.4 inchesNA1.59 inches
TouchNA
Typen/aIPS LCDOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNA
Apps
Music

All Wearables