Polar M600 vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Forerunner 235 vs. Apple Watch 8

 
M600
Flex 2
645 Music
Forerunner 235
Watch 8
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminForerunner 235Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$330$100$450$299.99$499
Release20162016201820172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days9 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a240 x 240215 x 180340 x 272 or 390 x 312
Size1.3 inchesn/a1.2 inches1.23 inches1.5 inches or 1.65 inches
Touchn/an/a
TypeTFTLEDMIPMIPAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWatchOS 9
Apps
Music

All Wearables