Apple Watch Series 3 vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Misfit Speedo Shine

 
Watch Series 3
Flex 2
645 Music
Alta HR
Speedo Shine
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowMisfitSpeedo ShineRemove Buy Now

Basic Info

Suggested Price$329$100$450$150$80
Release20172016201820172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days7 days7 days6 months
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolution340 x 272 or 390 x 312n/a240 x 240128 x 36NA
Size1.5 inches or 1.65 inchesn/a1.2 inches1.4 inchesNA
Touchn/aNA
TypeAMOLEDLEDMIPOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aNA
Apps
Music

All Wearables