Fitbit Flex 2 vs. Amazfit Stratos vs. Garmin Chronos vs. Fitbit Charge vs. Apple Watch 7

 
Flex 2
Stratos
Chronos
Charge
Watch 7
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowGarminChronosRemove Buy NowFitbitChargeRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$199$1500$130$429
Release20162018201820142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days8 days7-10 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300218 x 218NA396 x 484
Sizen/a1.34 inches1.2 inchesNA1.9 inches
Touchn/aNA
TypeLEDOLEDMIPOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSNAWatchOS 8
Apps
Music

All Wearables