Fitbit Flex 2 vs. Fitbit Zip vs. Huawei Talkband B2 vs. Garmin 645 Music vs. Garmin VivoActive 4

 
Flex 2
Zip
Talkband B2
645 Music
VivoActive 4
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowHuaweiTalkband B2Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$60$180$450$349
Release20162012201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months3 days7 days8 days
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 88240 x 240260 x 260
Sizen/an/a0.73 inches1.2 inches1.3ionches
Touchn/a
TypeLEDn/aPMOLEDMIPMIP

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash ResistantIP575 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OS
Apps
Music

All Wearables