Garmin Fenix 3 vs. Fitbit Alta vs. Amazfit Stratos vs. Apple Watch 7 vs. Apple Series 6

 
Fenix 3
Alta
Stratos
Watch 7
Series 6
 GarminFenix 3Remove Buy NowFitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowAppleWatch 7Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$500$130$199$429$399
Release20152016201820212020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration50 hours to 6 weeks5 days5 days18 HoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a320 x 300396 x 484384 x 480
Size1.2 inchesn/a1.34 inches1.9 inches40mm
Touchn/a
TypeChroma LEDOLEDOLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance10 ATMn/a5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aProprietaryWatchOS 8WatchOS 5
Apps
Music

All Wearables