Fitbit Alta vs. Garmin Vivosmart HR vs. Apple Watch Series 2 vs. Garmin Vivosmart 3 vs. Amazfit GTS

 
Alta
Vivosmart HR
Watch Series 2
Vivosmart 3
GTS
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowAppleWatch Series 2Remove Buy NowGarminVivosmart 3Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$170$269$139.99$150
Release20162015201620172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68340 x 272 or 390 x 31264 x 128348 x 442
Sizen/a1.08 inches1.5 inches or 1.65 inchesNA1.65 inches
Touchn/a
TypeOLEDn/aAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSWear OS
Apps
Music

All Wearables