Fitbit Surge vs. Fitbit Alta vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin VivoActive 4

 
Surge
Alta
645 Music
Flex
VivoActive 4
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$130$450$100$349
Release20162016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days7 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240NA260 x 260
Size1.26 inchesn/a1.2 inchesNA1.3ionches
Touchn/aNA
TypeMonochrome LCDOLEDMIPLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables