Apple Watch Series 2 vs. Fitbit Ionic vs. Garmin 645 Music vs. Fitbit Charge vs. Fitbit Sense 2

 
Watch Series 2
Ionic
645 Music
Charge
Sense 2
 AppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$269$299$450$130$300
Release20162017201820142022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days7 days7-10 days6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250240 x 240NA336x336
Size1.5 inches or 1.65 inches1.421.2 inchesNA1.59 inches
TouchNA
TypeAMOLEDOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM50m5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSFitbit OSNA
Apps
Music

All Wearables