Apple Watch Series 3 vs. Casio WSD-F20A vs. Polar A370 vs. Garmin Forerunner 45 vs. HTC re Grip

 
Watch Series 3
WSD-F20A
A370
Forerunner 45
re Grip
 AppleWatch Series 3Remove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$329$399$179.95$199$199
Release20172018201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours1 dayUp to 3 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320160 x 80208 x 208160 x 32
Size1.5 inches or 1.65 inches1.32 inches1.18 inches1.04 inches1.8 inches
Touch
TypeAMOLEDLCDTFT LCDLCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR305 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Wear OSBuilt-inNA
Apps
Music

All Wearables