Fitbit Alta vs. Apple Watch Series 2 vs. Amazfit Stratos vs. Apple Watch Series 5 vs. Garmin VivoActive 4

 
Alta
Watch Series 2
Stratos
Watch Series 5
VivoActive 4
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy NowAppleWatch Series 5Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$130$269$199$329$349
Release20162016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 daysNot Yet8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 300384 x 480260 x 260
Sizen/a1.5 inches or 1.65 inches1.34 inches1.78 Inches1.3ionches
Touchn/a
TypeOLEDAMOLEDOLEDMicroLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATMNot Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSProprietaryWatchOS 5Wear OS
Apps
Music

All Wearables