Apple Watch Series 3 vs. Garmin Vivoactive HR vs. Fitbit Alta vs. Garmin Forerunner 45 vs. Apple Series 6

 
Watch Series 3
Vivoactive HR
Alta
Forerunner 45
Series 6
 AppleWatch Series 3Remove Buy NowGarminVivoactive HRRemove Buy NowFitbitAltaRemove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$329$250$130$199$399
Release20172016201620192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours13 hours to 8 days5 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312148 x 205n/a208 x 208384 x 480
Size1.5 inches or 1.65 inches1.38 inchesn/a1.04 inches40mm
Touchn/a
TypeAMOLEDn/aOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATMn/a5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/an/aBuilt-inWatchOS 5
Apps
Music

All Wearables