Amazfit Stratos vs. Fitbit Charge vs. Fitbit Charge 3 vs. Diesel On Full Guard 2.5 vs. Apple Watch 7

 
Stratos
Charge
Charge 3
On Full Guard 2.5
Watch 7
 AmazfitStratosRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$199$130$150$325$429
Release20182014201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7-10 days7 days4 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 300NA66 x 18454x454396 x 484
Size1.34 inchesNA.721 inches1.39 inches1.9 inches
TouchNA
TypeOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM3 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryNANAWear OSWatchOS 8
Apps
Music

All Wearables