Apple Watch Series 3 vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Xiaomi Mi Band

 
Watch Series 3
Flex 2
WSD-F20A
Forerunner 235
Mi Band
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowXiaomiMi BandRemove Buy Now

Basic Info

Suggested Price$329$100$399$299.99$15
Release20172016201820172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days1 day9 days30 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolution340 x 272 or 390 x 312n/a320 x 320215 x 180NA
Size1.5 inches or 1.65 inchesn/a1.32 inches1.23 inchesNA
Touchn/aNA
TypeAMOLEDLEDLCDMIPNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWear OSNA
Apps
Music

All Wearables