Fitbit Alta vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Garmin Fenix 5x Plus vs. Garmin Forerunner 45

 
Alta
Watch Series 2
645 Music
Fenix 5x Plus
Forerunner 45
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5x PlusRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$130$269$450$850$199
Release20162016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours7 days20 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x 240240 x 240208 x 208
Sizen/a1.5 inches or 1.65 inches1.2 inches1.2 inches1.04 inches
Touchn/a
TypeOLEDAMOLEDMIPMIPLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATM10 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWear OSBuilt-in
Apps
Music

All Wearables