Casio WSD-F20A vs. Garmin 645 Music vs. Samsung Galaxy Watch vs. Garmin Forerunner 45 vs. Huawei Band 2

 
WSD-F20A
645 Music
Galaxy Watch
Forerunner 45
Band 2
 CasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowSamsungGalaxy WatchRemove Buy NowGarminForerunner 45Remove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$399$450$330$199$69.99
Release20182018201820192017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day7 days7 days7 days21 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320240 x 240360 x 360208 x 208128 x 32
Size1.32 inches1.2 inches1.2 inches or 1.3 inches1.04 inches0.91 inches
Touch
TypeLCDMIPAMOLEDLCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSTizen OSBuilt-in
Apps
MusicSpotify

All Wearables