Huawei Watch vs. Polar M400 vs. Samsung Gear S2 vs. Apple Watch Series 2 vs. Casio G-Shock GBA800

 
Watch
M400
Gear S2
Watch Series 2
G-Shock GBA800
 HuaweiWatchRemove Buy NowPolarM400Remove Buy NowSamsungGear S2Remove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$349$200$300$269$120
Release20152014201520162018

Activity & Fitness

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

Battery

Durationn/a8 hours to 30 days2-3 days18 hours2 years
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution400 x 400n/a360 x 360340 x 272 or 390 x 312
Size1.4 inchesn/a1.2 inches1.5 inches or 1.65 inches
Touch
TypeAMOLEDn/aSuper AMOLEDAMOLED

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATMIP685ATM20 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aTizenWatch OS
Apps
Musicn/a

All Wearables