Fitbit Flex 2 vs. Fitbit One vs. Garmin 645 Music vs. Xiaomi Mi Band vs. Apple Watch Ultra

 
Flex 2
One
645 Music
Mi Band
Watch Ultra
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowGarmin645 MusicRemove Buy NowXiaomiMi BandRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$100$450$15$799
Release20162012201820152022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days7 days30 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/an/a240 x 240NA502x410 pixels
Sizen/an/a1.2 inchesNA1.92 inches
Touchn/aNA
TypeLEDOLEDMIPNA

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATMIP6710 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 9
Apps
Music

All Wearables