Apple Watch Series 3 vs. Garmin 645 Music vs. Garmin Fenix 5x Plus vs. Xiaomi Mi Band 4 vs. Apple Watch Ultra

 
Watch Series 3
645 Music
Fenix 5x Plus
Mi Band 4
Watch Ultra
 AppleWatch Series 3Remove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5x PlusRemove Buy NowXiaomiMi Band 4Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$329$450$850$25$799
Release20172018201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours7 days20 days20 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312240 x 240240 x 240120x240502x410 pixels
Size1.5 inches or 1.65 inches1.2 inches1.2 inches0.95 inches1.92 inches
Touch
TypeAMOLEDMIPMIPAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Wear OSAMAZFIT OSWatchOS 9
Apps
Music

All Wearables