Fitbit Alta vs. Garmin Vivosmart HR vs. Apple Watch vs. Garmin Forerunner 45 vs. Amazfit GTS

 
Alta
Vivosmart HR
Watch
Forerunner 45
GTS
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowAppleWatchRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$170$349$199$150
Release20162015201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68340 x 272 or 390 x 312208 x 208348 x 442
Sizen/a1.08 inches1.5 inches or 1.65 inches1.04 inches1.65 inches
Touchn/a
TypeOLEDn/aAMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIPX75 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSBuilt-inWear OS
Apps
Music

All Wearables