Apple Watch Series 3 vs. Fitbit Charge 2 vs. Amazfit Stratos vs. Fitbit Flex vs. Xiaomi Mi Band 3

 
Watch Series 3
Charge 2
Stratos
Flex
Mi Band 3
 AppleWatch Series 3Remove Buy NowFitbitCharge 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$329$150$199$100$44.95
Release20172016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a320 x 300NA128 x 80
Size1.5 inches or 1.65 inchesn/a1.34 inchesNA0.78 inches
Touchn/aNA
TypeAMOLEDOLEDOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aProprietaryNA
Apps
Music

All Wearables