Fitbit Alta vs. Garmin Forerunner 235 vs. Garmin Forerunner 45 vs. Apple Series 6

 
Alta
Forerunner 235
Forerunner 45
Series 6
 FitbitAltaRemove Buy NowGarminForerunner 235Remove Buy NowGarminForerunner 45Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$299.99$199$399
Release2016201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days9 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180208 x 208384 x 480
Sizen/a1.23 inches1.04 inches40mm
Touchn/a
TypeOLEDMIPLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aBuilt-inWatchOS 5
Apps
Music

All Wearables