Amazfit Stratos vs. Casio G-Shock GBA800 vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Apple Watch 8

 
Stratos
G-Shock GBA800
Flex
Forerunner 45
Watch 8
 AmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$199$120$100$199$499
Release20182018201320192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years5 days7 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300NA208 x 208340 x 272 or 390 x 312
Size1.34 inchesNA1.04 inches1.5 inches or 1.65 inches
TouchNA
TypeOLEDLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryNABuilt-inWatchOS 9
Apps
Music

All Wearables