vs
Garmin Fenix 5X
Garmin Forerunner 645 Music
Top 16%3,556 points
Top 16%
Top 1%4,243 points
Top 1%
Garmin Fenix 5X
Garmin Forerunner 645 Music
Top specs and features

Garmin Fenix 5X vs Garmin Forerunner 645 Music: 110 facts in comparison

1. has GPS

GPS enables global positioning, useful in map, geo-tagging or navigation apps.
Garmin Fenix 5X
Garmin Forerunner 645 Music
62% have it

2. Is compatible with Android

It is compatible with a range of Android devices such as smartphones and tablets.
Garmin Fenix 5X
Garmin Forerunner 645 Music
25% have it

3. Has a heart rate monitor

A heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise.
Garmin Fenix 5X
Garmin Forerunner 645 Music
59% have it

4. battery life with GPS on

There is less chance that you will run out of battery during an adventure.
24h
Suunto Ambit3 Peak Sapphire (HR): 50h
5h

5. Has Bluetooth

Bluetooth is a wireless technology that allows you to easily transfer data between different devices, such as smartphones, tablets and computers.
Garmin Fenix 5X
Garmin Forerunner 645 Music
36% have it

6. Provides activity reports

Your activity data is analysed to give you reports, available to view through the app or website. This allows you to see how active you have been and to help you make improvements.
Garmin Fenix 5X
Garmin Forerunner 645 Music
40% have it

7. Has a barometer

This measures barometric air pressure. It can predict weather changes, for example a sudden drop in air pressure could mean a storm is coming. When calibrated correctly it can be used to determine altitude, which helps GPS devices to lock on quicker and with greater accuracy.
Garmin Fenix 5X
Garmin Forerunner 645 Music
38% have it

8. battery life

With a longer battery life, you don’t have to worry about charging the device as often.
14 days
Tech4o Traileader Jet: 730 days
7 days

9. weight

55.8g lighter.
98g
Polar RCX3 GPS: 33g
42.2g

10. Has vibrating alerts

Vibrating alerts have a variety of uses, such as interval training.
Garmin Fenix 5X
Garmin Forerunner 645 Music
32% have it

11. Has a route tracker

With a route tracker you can add your route onto a map. It is helpful if you plan to do the same route again, or want to share it with your community.
Garmin Fenix 5X
Garmin Forerunner 645 Music
34% have it

12. Syncs wirelessly

The device syncs all of your data wirelessly, without the need for cables.
Garmin Fenix 5X
Garmin Forerunner 645 Music
34% have it

13. Can upload maps

You can upload different maps to your device. It is handy for people who like to explore new places.
Garmin Fenix 5X
Garmin Forerunner 645 Music
27% have it

14. resolution

0% higher resolution.
240 x 240px
Suunto 9: 300 x 320px
240 x 240px

15. Has trackback mode

This feature enables you to track your route and reverse it in order to guide you back to where you began your journey.
Garmin Fenix 5X
Garmin Forerunner 645 Music
19% have it

16. has a battery level indicator

An indicator shows you when the device has low battery.
Garmin Fenix 5X
Garmin Forerunner 645 Music
86% have it

17. has an accelerometer

An accelerometer is a sensor used to measure the linear acceleration of a device. A common application is detecting when a device changes between vertical and horizontal positions.
Garmin Fenix 5X
Garmin Forerunner 645 Music
39% have it

18. Has a display

The device has an electronic display to present information to the user.
Garmin Fenix 5X
Garmin Forerunner 645 Music
95% have it

19. thickness

4mm thinner.
17.5mm
Motorola MOTOACTV: 9.6mm
13.5mm

20. waterproofing maximum depth

These devices will not experience water damage, e.g. in the shower. Devices which can withstand more water pressure are better for swimming or diving.
100m
Casio GWA1000FC-2A: 200m
50m

21. Has achievements

You are awarded achievements for reaching goals, helping to encourage you and keep you motivated.
Garmin Fenix 5X
Garmin Forerunner 645 Music
16% have it

22. Is compatible with iOS

It is compatible with a range of iOS devices such as iPhones, iPads and the iPod Touch.
Garmin Fenix 5X
Garmin Forerunner 645 Music
30% have it

23. Tracks distance

It tracks how far you travel.
Garmin Fenix 5X
Garmin Forerunner 645 Music
76% have it

24. Has goal setting

Allows you to set your own goals, such as reaching 15,000 steps in a single day.
Garmin Fenix 5X
Garmin Forerunner 645 Music
37% have it

25. Supports ANT+

ANT+ is a wireless protocol similar to Bluetooth Smart, and is very power efficient. It is mainly used for fitness monitoring devices such as heart rate monitors and cadence sensors to connect to other devices, eg. sports watches, smartphones and cycling computers.
Garmin Fenix 5X
Garmin Forerunner 645 Music
27% have it

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