Fitbit Alta vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Instinct vs. Fitbit Inspire 3

 
Alta
Flex 2
645 Music
Instinct
Inspire 3
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminInstinctRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$130$100$450$300$100
Release20162016201820182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days14 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240128 x 12832x18
Sizen/an/a1.2 inches0.9 inches46 inches
Touchn/an/a
TypeOLEDLEDMIPOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/a
Apps
Music

All Wearables