Xiaomi Mi Band 2 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Amazfit Stratos vs. Casio WSD-F20A

 
Mi Band 2
Watch Series 2
Ionic
Stratos
WSD-F20A
 XiaomiMi Band 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$23$269$299$199$399
Release20162016201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration20 hours18 hours4+ days5 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312348x250320 x 300320 x 320
Size0.42 inches1.5 inches or 1.65 inches1.421.34 inches1.32 inches
Touch
TypeOLEDAMOLEDOLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSFitbit OSProprietaryWear OS
Apps
Music

All Wearables