Polar M400 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. LG G Watch R

 
M400
Watch Series 2
Ionic
G-Shock GBA800
G Watch R
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowLGG Watch RRemove Buy Now

Basic Info

Suggested Price$200$269$299$120$300
Release20142016201720182014

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours4+ days2 years2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312348x250320 x 320
Sizen/a1.5 inches or 1.65 inches1.421.3 inches
Touch
Typen/aAMOLEDOLEDP-OLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATM50m20 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSFitbit OSAndroid Wear
Apps
Music

All Wearables