Garmin Forerunner 735XT vs. Fitbit Ionic vs. Fitbit Charge 3 vs. Garmin Vivosmart 4 vs. Apple Series 6

 
Forerunner 735XT
Ionic
Charge 3
Vivosmart 4
Series 6
 GarminForerunner 735XTRemove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivosmart 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$450$299$150$130$399
Release20162017201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration14 hours to 11 days4+ days7 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution215 x 180348x25066 x 1848 x 128384 x 480
Size1.23 inches1.42.721 inches0.74 inches40mm
Touchn/a
Typen/aOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNAWatchOS 5
Apps
Music

All Wearables