Polar M400 vs. Pebble Core vs. Diesel On Full Guard 2.5 vs. Huawei Band 2 vs. Garmin Vivosmart 4

 
M400
Core
On Full Guard 2.5
Band 2
Vivosmart 4
 PolarM400Remove Buy NowPebbleCoreRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowHuaweiBand 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$99$325$69.99$130
Release20142016201820172018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA4 days21 days7 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA454x454128 x 3248 x 128
Sizen/aNA1.39 inches0.91 inches0.74 inches
TouchNA
Typen/aNAPMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMNA3 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables