Fitbit Blaze vs. Garmin 645 Music vs. Fitbit Alta HR vs. Amazfit GTS

 
Blaze
645 Music
Alta HR
GTS
 FitbitBlazeRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$200$450$150$150
Release2016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days7 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartial
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240128 x 36348 x 442
Sizen/a1.2 inches1.4 inches1.65 inches
Touch
TypeLCDMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OS
Apps
Music

All Wearables