Fitbit Alta vs. Apple Watch Series 2 vs. Amazfit Stratos vs. Apple Watch Series 4 vs. Apple Watch 8

 
Alta
Watch Series 2
Stratos
Watch Series 4
Watch 8
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$130$269$199$329$499
Release20162016201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 daysNot Yet18 hrs
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 480340 x 272 or 390 x 312
Sizen/a1.5 inches or 1.65 inches1.34 inches1.78 inches1.5 inches or 1.65 inches
Touchn/a
TypeOLEDAMOLEDOLEDMicroLEDAMOLED

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 OSProprietaryWatch OS 5WatchOS 9
Apps
Music

All Wearables