Polar M400 vs. Huawei Watch 2 vs. Casio WSD-F20A vs. Polar Loop vs. Fossil Gen 5 Smartwatch Carlyle

 
M400
Watch 2
WSD-F20A
Loop
Gen 5 Smartwatch Carlyle
 PolarM400Remove Buy NowHuaweiWatch 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$200$350$399$100$295
Release20142017201820132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours1 day5 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480320 x 320NA328 x 328
Sizen/a1.38 inches1.32 inchesNA1.3 inches
Touch
Typen/aP-OLEDLCDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM2 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSNAWear OS
Apps
Music

All Wearables