Casio WSD-F20A vs. Garmin Chronos vs. Polar A370 vs. Apple Watch Series 4 vs. HTC re Grip

 
WSD-F20A
Chronos
A370
Watch Series 4
re Grip
 CasioWSD-F20ARemove Buy NowGarminChronosRemove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$399$1500$179.95$329$199
Release20182018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day8 daysUp to 3 daysNot Yet5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320218 x 218160 x 80384 x 480160 x 32
Size1.32 inches1.2 inches1.18 inches1.78 inches1.8 inches
Touch
TypeLCDMIPTFT LCDMicroLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATMWR30Not YetIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWear OSWatch OS 5NA
Apps
Music

All Wearables