Fitbit Surge vs. Fitbit Flex 2 vs. Huawei Talkband B2 vs. Casio WSD-F20A vs. Apple Watch Series 4

 
Surge
Flex 2
Talkband B2
WSD-F20A
Watch Series 4
 FitbitSurgeRemove Buy NowFitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$250$100$180$399$329
Release20162016201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days3 days1 dayNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 88320 x 320384 x 480
Size1.26 inchesn/a0.73 inches1.32 inches1.78 inches
Touchn/a
TypeMonochrome LCDLEDPMOLEDLCDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP575 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSWatch OS 5
Apps
Music

All Wearables