Fitbit Charge 2 vs. Fitbit Zip vs. Casio WSD-F20A vs. Garmin Forerunner 45 vs. Apple Series 6

 
Charge 2
Zip
WSD-F20A
Forerunner 45
Series 6
 FitbitCharge 2Remove Buy NowFitbitZipRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$60$399$199$399
Release20162012201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months1 day7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320208 x 208384 x 480
Sizen/an/a1.32 inches1.04 inches40mm
Touchn/a
TypeOLEDn/aLCDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/aSplash Resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSBuilt-inWatchOS 5
Apps
Music

All Wearables