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

 
Alta
Flex 2
645 Music
Band 2
Series 6
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowHuaweiBand 2Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$100$450$69.99$399
Release20162016201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days21 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240128 x 32384 x 480
Sizen/an/a1.2 inches0.91 inches40mm
Touchn/an/a
TypeOLEDLEDMIPPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatchOS 5
Apps
Music

All Wearables