Garmin 645 Music vs. Garmin Chronos vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Apple SE (2022)

 
645 Music
Chronos
Forerunner 235
Flex
SE (2022)
 Garmin645 MusicRemove Buy NowGarminChronosRemove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$450$1500$299.99$100$249
Release20182018201720132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 days9 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolution240 x 240218 x 218215 x 180NA40mm
Size1.2 inches1.2 inches1.23 inchesNA
TouchNALTPO OLED Retina
TypeMIPMIPMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance5 ATM10 ATM5 ATM1 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating SystemWear OSNA
Apps
Music

All Wearables