Samsung Gear S vs. Sony SmartWatch 3 vs. Fitbit Charge 2 vs. Fitbit Flex vs. Xiaomi Mi Band 3

 
Gear S
SmartWatch 3
Charge 2
Flex
Mi Band 3
 SamsungGear SRemove Buy NowSonySmartWatch 3Remove Buy NowFitbitCharge 2Remove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$250$250$150$100$44.95
Release20132014201620132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2 days5 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360320 x 320n/aNA128 x 80
Size2 inches1.6 inchesn/aNA0.78 inches
Touchn/aNA
TypeSuper AMOLEDTFT LCDOLEDLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP68n/a1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAndroid Wearn/aNA
Apps
Music

All Wearables