Casio WSD-F20A vs. Samsung Gear 2 vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. Apple Watch 7

 
WSD-F20A
Gear 2
Flex
Vivosmart 4
Watch 7
 CasioWSD-F20ARemove Buy NowSamsungGear 2Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$399$300$100$130$429
Release20182014201320182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration1 day2-3 days5 days7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 320NA48 x 128396 x 484
Size1.32 inches1.63 inchesNA0.74 inches1.9 inches
TouchNA
TypeLCDSuper AMOLEDLEDOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSTizen OSNAWatchOS 8
Apps
Music

All Wearables