Apple Watch Series 3 vs. Fitbit Flex 2 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Apple SE (2022)

 
Watch Series 3
Flex 2
Stratos
Alta HR
SE (2022)
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$329$100$199$150$249
Release20172016201820172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days5 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a368 x 448 pixels
Resolution340 x 272 or 390 x 312n/a320 x 300128 x 3640mm
Size1.5 inches or 1.65 inchesn/a1.34 inches1.4 inches
Touchn/aLTPO OLED Retina
TypeAMOLEDLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating SystemWatchOS 4n/aProprietary
Apps
Music

All Wearables