Fitbit Alta vs. Apple Watch Series 2 vs. Apple Watch vs. Casio WSD-F20A vs. Apple SE

 
Alta
Watch Series 2
Watch
WSD-F20A
SE
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$130$269$349$399$279
Release20162016201520182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours18 hours1 day18 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312340 x 272 or 390 x 312320 x 320384 x 480
Sizen/a1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.32 inches40mm
Touchn/a
TypeOLEDAMOLEDAMOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistancen/a5ATMIPX75 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWatch OSWear OSWatchOS 5
Apps
Music

All Wearables