Fitbit Flex 2 vs. Sony SmartBand Talk vs. Xiaomi Mi Band 2 vs. Jawbone UP2 vs. Xiaomi Mi Band 4

 
Flex 2
SmartBand Talk
Mi Band 2
UP2
Mi Band 4
 FitbitFlex 2Remove Buy NowSonySmartBand TalkRemove Buy NowXiaomiMi Band 2Remove Buy NowJawboneUP2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$100$170$23$100$25
Release20162014201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration5 days3 days20 hours7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a296 x 128n/aNA120x240
Sizen/a1.4 inches0.42 inchesNA0.95 inches
Touchn/aNA
TypeLEDE InkOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP68IP67Splash resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aNAAMAZFIT OS
Apps
Music

All Wearables