Polar Loop 2 vs. Garmin 645 Music vs. Garmin Fenix 5X vs. Fitbit Alta HR vs. Jawbone UP4

 
Loop 2
645 Music
Fenix 5X
Alta HR
UP4
 PolarLoop 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5XRemove Buy NowFitbitAlta HRRemove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$120$450$699$150$200
Release20152018201720172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)7 daysUp to 12 days7 daysNA
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240240 x240128 x 36NA
Sizen/a1.2 inches1.2 inches1.4 inchesNA
TouchNA
TypeLEDMIPNAOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM10 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
MusicNA

All Wearables