Polar M600 vs. Garmin Forerunner 935 vs. Casio WSD-F20A vs. Garmin Forerunner 45 vs. Apple Watch Ultra

 
M600
Forerunner 935
WSD-F20A
Forerunner 45
Watch Ultra
 PolarM600Remove Buy NowGarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$330$500$399$199$799
Release20162017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 daysUp to 2 weeks1 day7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240320 x 320208 x 208502x410 pixels
Size1.3 inches1.2 inches1.32 inches1.04 inches1.92 inches
Touchn/a
TypeTFTLCDLCDLCD

Functions

Audio SpeakerAlerts only
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWear OSBuilt-inWatchOS 9
Apps
Music

All Wearables