Polar M400 vs. Apple Watch vs. Casio G-Shock GBA800 vs. Pebble Core vs. Huawei Band 2

 
M400
Watch
G-Shock GBA800
Core
Band 2
 PolarM400Remove Buy NowAppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowPebbleCoreRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$349$120$99$69.99
Release20142015201820162017

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours2 yearsNA21 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NA128 x 32
Sizen/a1.5 inches or 1.65 inchesNA0.91 inches
TouchNA
Typen/aAMOLEDNAPMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX720 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables