Fitbit Alta vs. Fitbit Flex 2 vs. Huawei Talkband B2 vs. Fitbit Charge 3 vs. Apple Watch Series 4

 
Alta
Flex 2
Talkband B2
Charge 3
Watch Series 4
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowFitbitCharge 3Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$100$180$150$329
Release20162016201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days3 days7 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 8866 x 18384 x 480
Sizen/an/a0.73 inches.721 inches1.78 inches
Touchn/an/a
TypeOLEDLEDPMOLEDOLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP575 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aNAWatch OS 5
Apps
Music

All Wearables