Amazfit Stratos vs. Fitbit Versa vs. Polar Loop vs. Sony SmartBand vs. Garmin VivoActive 4

 
Stratos
Versa
Loop
SmartBand
VivoActive 4
 AmazfitStratosRemove Buy NowFitbitVersaRemove Buy NowPolarLoopRemove Buy NowSonySmartBandRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$199$199.99$100$100$349
Release20182018201320142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4 days5 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution320 x 300300 x300NANA260 x 260
Size1.34 inches1.34 inchesNANA1.3ionches
TouchNA
TypeOLEDOLEDLEDNAMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryNANAWear OS
Apps
Music

All Wearables