Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Huawei Talkband B2 vs. Apple Watch Series 4 vs. Garmin Vivosmart 4

 
Flex 2
Vivosmart HR
Talkband B2
Watch Series 4
Vivosmart 4
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowHuaweiTalkband B2Remove Buy NowAppleWatch Series 4Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$170$180$329$130
Release20162015201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days3 daysNot Yet7 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 88384 x 48048 x 128
Sizen/a1.08 inches0.73 inches1.78 inches0.74 inches
Touchn/a
TypeLEDn/aPMOLEDMicroLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP57Not Yet5 ATM

Notifications

Phone
Emails
Texts

Software

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

All Wearables