Fitbit Surge vs. Fitbit Charge 2 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Apple Watch Series 4

 
Surge
Charge 2
645 Music
Alta HR
Watch Series 4
 FitbitSurgeRemove Buy NowFitbitCharge 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$250$150$450$150$329
Release20162016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days7 days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240128 x 36384 x 480
Size1.26 inchesn/a1.2 inches1.4 inches1.78 inches
Touchn/a
TypeMonochrome LCDOLEDMIPOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OS 5
Apps
Music

All Wearables