Garmin Fenix 5x vs. 6x- Which Multisport GPS Navigation Smart Watch should you settle for?

Without a doubt, an accurate GPS Navigation smart watch with an exceptional battery life is an essential need for almost all fitness activities. The Fenix 5x and 6x are among the Garmin watches that are worth looking into to satisfy your fitness and adventure needs.

These two smart watches offer you optimal outdoor performance alongside advanced training features throughout their lifetime. They are also versatile enough for use in almost all kinds of environments. However, they have a number of differences which we will look at in this review in order to determine which one you should settle for. The table below highlights their top features and highlights their differences.

What are the differences between the Garmin Fenix 5x and the 6?

Garmin Fenix 5x
Garmin Fenix 6
Lens Material
Domed Sapphire Crystal
Corning Gorilla Glass DX or Sapphire Crystal
Watch size
51 x 51 x 17.5 mm
47 x 47 x 14.7 mm
98 g
83 g
Display size
1.2 inches
1.3 inches
Display resolution
240 x 240 pixels
260 x 260 pixels
Memory size
16 GB
32 GB
Battery life
Smart watch mode: Up to 12 days

GPS mode: Up to 20 hours

Smart watch mode: Up to 14 days

GPS mode: Up to 36 hours

Connectivity options
Bluetooth, ANT+, Wi-Fi
Bluetooth, ANT+ , Wi-Fi


Garmin Fenix 5x vs. 6 – How do they compare?

Design and Structure

The Garmin Fenix 5x and the Garmin Fenix 6 both have a circular shape alongside a compact and elegant design which raises the aesthetic fabric on your wrist. The Garmin Fenix 6 however, is smaller and lighter than the Garmin Fenix 5x which makes it more portable and comfortable to wear.

When it comes to comparing the lens material on both watches, we can deduce that the Garmin Fenix 6 is more durable and has a higher resistance to force than the Garmin Fenix 5x. This is because it is made from Corning Gorilla Glass DX which is scratch resistant and strong while the lens cover on the Fenix 6 is made from domed sapphire crystal which is similarly scratch resistant but has a lower tolerance to force than the Gorilla glass.

Generally, with a larger storage capacity, you are able to save more files and apps on your smart watch. When we look into the internal storage of both watches, the Garmin Fenix 6 takes the upper hand over the Garmin Fenix 5x because it has a larger storage capacity by 16 GB. It provides you with 32 GB of internal memory while the 5x provides you with only 16 GB of internal memory.

Display and Resolution

The display and resolution on your watch determine its image quality and user friendly nature. In this case, the Garmin Fenix 6 has a better user experience, image quality and a higher resolution than the Garmin Fenix 5x. This is seen in its display size of 1.3 inches and display resolution of 260 x 260 pixels which is clearer and more refined than the Garmin Fenix 5x which has a display size of 1.2 inches and a display resolution of 240 x 240 pixels.

Connectivity and Battery life

With both the Garmin Fenix 6 and the Garmin Fenix 5x, you are able to connect you headset via Bluetooth and other fitness equipment via ANT+. They also offer you Wi-Fi as a connectivity option. The difference between them however, is noted in their battery life.

With the Garmin Fenix 6, you do not have to worry much about battery charge for some time because it has a longer battery life than the Garmin Fenix 5x. Its battery life lasts for up to 14 days when on smart watch mode and for up to 36 hours when on GPS mode while the Garmin Fenix 5x has a batter life that lasts for up to 12 days when on smart watch mode and for up to 20 hours when on GPS mode.

Garmin Fenix 5x vs. 6 – A Comparison Overview

Garmin Fenix 5x

The Garmin Fenix 5x comes with a compact and elegant design that allows you to wear your confidence and personality on your sleeve. Its rugged design makes it fit for all your outdoor escapades and multisport activities. It comes with a scratch-resistant sapphire lens which makes it durable and versatile at the same time. In addition to that, it features full color Topographic U.S mapping and routable cycling features for navigation purposes.

It also features navigations sensors such as GLONASS and GPS which allow you to seamlessly navigate through challenging environments. The Garmin Fenix 5x comes with preloaded activity profiles which you can choose from based on your preference and it further has a performance widget that shows your training load and training status. With the Garmin Fenix 5x, you are able to access smart notifications from your connected devices and you can connect and interact with the Garmin Fitness community.


  • Sustainable battery life when on smart watch mode
  • Compact and elegant design
  • Waterproof, dustproof and scratch resistant


  • Middling GPS and HR monitor


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Garmin Fenix 6

The Garmin Fenix 6 has a rugged yet sophisticated design which has been tested to U.S military standards for shock, water and thermal resistance. It features an always-on 1.3 display and a scratch-resistant Gorilla DX lens. Additionally, it comes preloaded with multiple activity profiles that you can choose from and it has a specific preloaded profile known as backcountry ski that keeps you informed when you are in the snow.

Also, through its MTB dynamics feature, it allows you to seamlessly track the details of every ride when you are mountain biking and you are also able to access surf-ready features and animated workouts to guide you through your sporting activities. It comes with a power manager that allows you to make battery-extended changes and a wrist-based heart rate feature to calculate your stress levels. To keep your health at par, it has a hydration tracking feature and advanced sleep monitoring features.

Aside from that, it has advanced training features such as PacePro which helps you keep track of your pace as you run a course. It has a sustainable battery life for all your outdoor needs and multiple connectivity options for a seamless user experience.


  • Comfortable to wear and a sophisticated design
  • Accurate GPS and reliable
  • Sustainable battery life for outdoor activities
  • Durable and versatile


  • Slightly inaccurate HR monitor


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The Garmin Fenix 6 is a more advanced version than the Garmin Fenix 5x.

Verdict: So, which is better- the Garmin Fenix 5x or the 6?

The Garmin Fenix 6 is a clear winner in this comparison review. With its extended battery life, more advanced training features, portability and comfort; you are able to enjoy exceptional smart watch performance for your multisport activities.


Can I use my Garmin Fenix 6 watch when swimming or surfing?

Yes, you can. The Garmin Fenix 6 has a water rating of 10 ATM (100m) which gives you a chance to use it for water-based sporting activities such as swimming and surfing. However, you should not use it for scuba diving.

Does my Garmin Fenix 6 measure blood pressure?

No, it does not. The Garmin Fenix 6 is not a medical device.


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