Apple Watch vs. Garmin 645 Music vs. Garmin Fenix 5X vs. Fitbit Alta HR vs. Xiaomi Mi Band 4

 
Watch
645 Music
Fenix 5X
Alta HR
Mi Band 4
 AppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5XRemove Buy NowFitbitAlta HRRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$349$450$699$150$25
Release20152018201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours7 daysUp to 12 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312240 x 240240 x240128 x 36120x240
Size1.5 inches or 1.65 inches1.2 inches1.2 inches1.4 inches0.95 inches
Touch
TypeAMOLEDMIPNAOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSAMAZFIT OS
Apps
Music

All Wearables