Fitbit Charge 2 vs. Garmin Forerunner 935 vs. Casio WSD-F20A vs. Garmin Forerunner 45 vs. Apple Watch Ultra

 
Charge 2
Forerunner 935
WSD-F20A
Forerunner 45
Watch Ultra
 FitbitCharge 2Remove Buy NowGarminForerunner 935Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$500$399$199$799
Release20162017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 2 weeks1 day7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 320208 x 208502x410 pixels
Sizen/a1.2 inches1.32 inches1.04 inches1.92 inches
Touchn/a
TypeOLEDLCDLCDLCD

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuilt-inWatchOS 9
Apps
Music

All Wearables