Fitbit Charge 2 vs. Amazfit Stratos vs. Samsung Gear 2 vs. Fitbit Flex vs. Apple Watch 8

 
Charge 2
Stratos
Gear 2
Flex
Watch 8
 FitbitCharge 2Remove Buy NowAmazfitStratosRemove Buy NowSamsungGear 2Remove Buy NowFitbitFlexRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$150$199$300$100$499
Release20162018201420132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration5 days5 days2-3 days5 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300320 x 320NA340 x 272 or 390 x 312
Sizen/a1.34 inches1.63 inchesNA1.5 inches or 1.65 inches
Touchn/aNA
TypeOLEDOLEDSuper AMOLEDLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryTizen OSNAWatchOS 9
Apps
Music

All Wearables