Samsung Gear S vs. Amazfit Stratos vs. Casio WSD-F20A vs. Polar Loop vs. Garmin Forerunner 45

 
Gear S
Stratos
WSD-F20A
Loop
Forerunner 45
 SamsungGear SRemove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$250$199$399$100$199
Release20132018201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days1 day5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360320 x 300320 x 320NA208 x 208
Size2 inches1.34 inches1.32 inchesNA1.04 inches
Touch
TypeSuper AMOLEDOLEDLCDLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenProprietaryWear OSNABuilt-in
Apps
Music

All Wearables