Polar M400 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Garmin Fenix 5X

 
M400
Watch Series 2
Ionic
G-Shock GBA800
Fenix 5X
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminFenix 5XRemove Buy Now

Basic Info

Suggested Price$200$269$299$120$699
Release20142016201720182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours4+ days2 yearsUp to 12 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312348x250240 x240
Sizen/a1.5 inches or 1.65 inches1.421.2 inches
Touch
Typen/aAMOLEDOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATM50m20 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSFitbit OS
Apps
Music

All Wearables