Fitbit Alta vs. Amazfit Bip vs. Garmin 645 Music vs. Garmin Vivosmart HR Plus vs. Apple Series 6

 
Alta
Bip
645 Music
Vivosmart HR Plus
Series 6
 FitbitAltaRemove Buy NowAmazfitBipRemove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$99.99$450$179$399
Release20162018201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 days7 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a176 x 176240 x 240160 x 68384 x 480
Sizen/a1.28 inches1.2 inches0.5 inches x 0.8 inches40mm
Touchn/a
TypeOLEDNAMIPLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/aIP685 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNAWatchOS 5
Apps
Music

All Wearables