Fitbit Charge 2 vs. Acer Liquid Leap vs. Garmin 645 Music vs. Apple Watch Ultra vs. Fitbit Sense 2

 
Charge 2
Liquid Leap
645 Music
Watch Ultra
Sense 2
 FitbitCharge 2Remove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$150$90$450$799$300
Release20162015201820222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days7 days36 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32240 x 240502x410 pixels336x336
Sizen/a1 inch1.2 inches1.92 inches1.59 inches
Touchn/a
TypeOLEDOLEDMIPAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX45 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatchOS 9
Apps
Music

All Wearables