Apple Watch vs. Samsung Gear 2 vs. Fitbit Alta HR vs. Fitbit Flex vs. Xiaomi Mi Band 4

 
Watch
Gear 2
Alta HR
Flex
Mi Band 4
 AppleWatchRemove Buy NowSamsungGear 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$349$300$150$100$25
Release20152014201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration18 hours2-3 days7 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320128 x 36NA120x240
Size1.5 inches or 1.65 inches1.63 inches1.4 inchesNA0.95 inches
TouchNA
TypeAMOLEDSuper AMOLEDOLEDLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSTizen OSNAAMAZFIT OS
Apps
Music

All Wearables