Garmin Forerunner 935 vs. Garmin 645 Music vs. Fitbit Flex vs. Huawei Band 2 vs. Apple Series 6

 
Forerunner 935
645 Music
Flex
Band 2
Series 6
 GarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowHuaweiBand 2Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$500$450$100$69.99$399
Release20172018201320172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks7 days5 days21 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240NA128 x 32384 x 480
Size1.2 inches1.2 inchesNA0.91 inches40mm
TouchNA
TypeLCDMIPLEDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatchOS 5
Apps
Music

All Wearables