Fitbit Flex 2 vs. Fitbit Zip vs. Garmin Fenix 5s vs. Garmin 645 Music vs. Apple Series 6

 
Flex 2
Zip
Fenix 5s
645 Music
Series 6
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowGarminFenix 5sRemove Buy NowGarmin645 MusicRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$60$599.99$450$399
Release20162012201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 monthsUp to 9 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a218x 218240 x 240384 x 480
Sizen/an/a1.1 inches1.2 inches40mm
Touchn/a
TypeLEDn/anaMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMSplash Resistant10ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatchOS 5
Apps
Music

All Wearables