Polar M400 vs. Casio G-Shock GBA800 vs. Pebble Core vs. Fitbit Sense 2

 
M400
G-Shock GBA800
Core
Sense 2
 PolarM400Remove Buy NowCasioG-Shock GBA800Remove Buy NowPebbleCoreRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$200$120$99$300
Release2014201820162022

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 yearsNA6 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA336x336
Sizen/aNA1.59 inches
TouchNA
Typen/aNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM20 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNA
Apps
Music

All Wearables