Garmin Forerunner 225 vs. Polar M400 vs. Fitbit Ionic vs. Pebble Core vs. Garmin Forerunner 45

 
Forerunner 225
M400
Ionic
Core
Forerunner 45
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowPebbleCoreRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$300$200$299$99$199
Release20152014201720162019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days4+ daysNA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a348x250NA208 x 208
Size1 inchn/a1.42NA1.04 inches
TouchNA
Typen/an/aOLEDNALCD

Functions

Audio Speaker22Alerts only
Clock
Phonen/aNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM50mNA5 ATM

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/aFitbit OSNABuilt-in
Appsn/a
Musicn/a

All Wearables