Amazfit Stratos vs. Garmin 645 Music vs. Fitbit Versa 2 vs. Fitbit Inspire HR vs. Apple Series 6

 
Stratos
645 Music
Versa 2
Inspire HR
Series 6
 AmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowFitbitVersa 2Remove Buy NowFitbitInspire HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$199$450$199$99$399
Release20182018201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days5 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300240 x 240300 x 300139 x 60384 x 480
Size1.34 inches1.2 inches1.34 inches1.4 inches40mm
Touch
TypeOLEDMIPAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryBuild-inFitbit OSWatchOS 5
Apps
Music

All Wearables