Apple Watch Series 3 vs. Fitbit Alta vs. Garmin 645 Music vs. Fitbit Charge vs. Fitbit Inspire 3

 
Watch Series 3
Alta
645 Music
Charge
Inspire 3
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$329$130$450$130$100
Release20172016201820142022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days7 days7-10 days10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a240 x 240NA32x18
Size1.5 inches or 1.65 inchesn/a1.2 inchesNA46 inches
Touchn/aNA
TypeAMOLEDOLEDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/aNA
Apps
Music

All Wearables