Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Huawei Talkband B2 vs. Apple Watch Series 2 vs. Huawei Band 3 Pro

 
Flex 2
Vivosmart HR
Talkband B2
Watch Series 2
Band 3 Pro
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowHuaweiTalkband B2Remove Buy NowAppleWatch Series 2Remove Buy NowHuaweiBand 3 ProRemove Buy Now

Basic Info

Suggested Price$100$170$180$269$70
Release20162015201520162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days3 days18 hours12 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68128 x 88340 x 272 or 390 x 312454 x 454
Sizen/a1.08 inches0.73 inches1.5 inches or 1.65 inches1.39 inches
Touchn/a
TypeLEDn/aPMOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP575ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OSAMAZFIT OS
Apps
Music

All Wearables