Fitbit Alta vs. Fitbit Ionic vs. Casio WSD-F20A vs. Samsung Gear 2 vs. Xiaomi Mi Band 4

 
Alta
Ionic
WSD-F20A
Gear 2
Mi Band 4
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowSamsungGear 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$130$299$399$300$25
Release20162017201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 days4+ days1 day2-3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250320 x 320320 x 320120x240
Sizen/a1.421.32 inches1.63 inches0.95 inches
Touchn/a
TypeOLEDOLEDLCDSuper AMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m5 ATMIP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSWear OSTizen OSAMAZFIT OS
Apps
Music

All Wearables