Garmin Fenix 6 vs. 6S vs. 6X: Differences, Sizing, Reviews 2025

Garmin Fenix 6 vs. 6S vs. 6X

Garmin Fenix 6 including:

• Garmin Fenix 6

• Garmin Fenix 6 Pro

• Garmin Fenix 6 Pro Solar

• Garmin Fenix 6 Pro Sapphire

Garmin Fenix 6S including:

• Garmin Fenix 6S

• Garmin Fenix 6S Pro

• Garmin Fenix 6S Pro Solar

• Garmin Fenix 6S Pro Sapphire

Garmin Fenix 6X including:

• Garmin Fenix 6X Pro

• Garmin Fenix 6X Pro Solar

• Garmin Fenix 6X Pro Sapphire

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From the above table we can find that the main difference between the fenix 6X, the 6, and 6S would be size, weight, and battery life.

• The 42mm Fenix 6S Pro with the smallest case size is the most compact, it also weighs the least and is slimmer than the other two which makes it the most comfortable wear out of these three. This makes the 6S Pro the best choice for women and those with smaller wrist size.

• The Fenix 6X Pro with 1.4 inch display has a slight bigger display size than the other two which allows you see more at a glance.

• The Fenix 6X Pro has the longest battery life that allows you go longer on a single charge.

The Garmin fenix 6S vs. 6 vs. 6X Pro

1. Size

Size (42 mm vs. 47 mm vs. 51 mm) with the 6S being the smallest and 6X the largest.

2. Screen Size 

Screen size (1.2 in vs. 21.3 in vs. 1.4 in) with the 6s being the smallest.

3. Weight

The fenix 6X is the heaviest.

4. Battery

The fenix 6S has the smallest battery and the 6X has the biggest.

5. Modifications

The fenix 6X does not have the Standart modification which means the cheapest modifications are Wi-Fi enable and have storage for music.

6. Screen Resolution

• The fenix 6X has the best resolution (280x280 px).

• The fenix 6 (260x260 px).

• The fenix 6S (240x240 px).

Each model has modifications such as:

1. Standart that are missing WiFi capability, music storage, and preloaded maps;

2. The Pro version that has these things and Sapphire & Special Editions have the same specifications as the Pro but tend to be more durable and sometimes lightweight.

Garmin fenix Standard vs. Pro vs. Sapphire vs. Special Edition

Standard Version

• It misses some features such as Wi-Fi, internal music storage, also no preloaded topography maps.

Pro Version

• It has the features that Standard is missing.

Sapphire Version

• It is more durable, has the bezel made of diamond-like carbon having the features of the Pro modification.

Titanium Edition

• It is less heavy.

Special Editions

• Special editions can be made of titanium, have a different style of bands, color options, and offer a lightweight version compared to Standard, Pro, or Sapphire models.

Pro Solar

• It extends battery life and is made of a different material.

Size & Weight

• Garmin fenix 6S is the smallest and is 42 mm in its diameter.

• Garmin fenix 6 is of a medium size and is 47 mm in its diameter.

• Garmin fenix 6X is the largest and is 51 mm in its diameter.

The size and weight of the smartwatch are important because you want it to sit comfortably on your wrist and don't really feel it when wearing. The fenix 6S is the best for those who have a thin wrist while the 6X is ideal for those with a bigger wrist. With the weight, the 6S is also the most lightweight (58 g) going all the way up to 93 g for the heaviest modification, the fenix 6X.

Battery Life

Garmin Fenix 6X

• Garmin Fenix 6X has the largest screen and the longest battery life. Up to 21 days and 1.4 in for the 6X. The 6X Solar gives you an additional 3 days of battery life.

Garmin Fenix 6S

• Garmin Fenix 6S has the smallest screen (1.2 inches) and the shortest battery life (up to 9 days). 

Garmin Fenix 6

• Garmin Fenix 6 is in between. As the size goes up, the battery lasts longer and the screen gets bigger. 

About Garmin Fenix 6 

The Garmin Fenix 6 is the middle child of the Fenix 6 series family. It's the version of the outdoor watch that we imagine current Fenix owners, or those on the hunt for a new sports watch, will be casting an eye over first.

Sitting in between the Fenix 6S and the hulking Fenix 6X, the 6 gives you pretty much all of the same features in a 47mm frame.

You can track runs, hikes, rounds of golf and even your time on the slopes. In terms of the breadth of activities tracked it's in a league of its own, but nearest natural competitors are the Suunto 9, Polar Grit X and Garmin's own (cheaper) Vivoactive 4, which offers similar sports tracking with far less data and battery life.

Going for the Fenix 6 Pro model gives you mapping and navigation features will keep you on the right track when you're out adventuring, and you've got plenty of battery life to keep you away from that charger for weeks or even months.

Garmin Fenix 6 key features:

• From $549.99

• Available in 6 and 6 Pro models

• 47mm case

• 1.3 inch, 240 x 240 display

• Available with steel, titanium bezel

• Interchangeable 22mm bands

• Up to 36 hours GPS battery

• Includes Pulse Ox sensor

• Waterproof up to 100m

• 24/7 activity tracking

• Multisport profiles

• PacePro running feature

• Battery saver mode

There are 6 modifications of the fenix 6. The Standard version is available in silver, Pro is black and the special edition can be carbon gray with a black band, black DLC with a red nylon band (Sapphire), Sapphire - Titanium with ember orange band, and the most durable Sapphire - Titanium with a vented titanium bracelet.

• The Standard version () lacks the same features the 6S does.

• The Pro version has all the missing things such as Wi-Fi, music storage, etc.

• The Sapphire version has the sapphire lens and a diamond-like bezel.

• The Special Edition versions have sapphire crystal lenses and also there are titanium versions. 

About Garmin Fenix 6S 

The Garmin Fenix range features nearly 20 versions – and the Fenix 6S is the smallest of the lot.

While a chunky build is synonymous with the Garmin Fenix, the Fenix 6S shrinks everything down into a more wearable package – although at $549.99 it's still top dollar for a sports watch.

It’s certainly the best Garmin Fenix for women and equally ideal for anyone who feels who the larger case size of Fenix watches is too bulky on the wrist.

Garmin Fenix 6S key features:

• 1.2-inch

• 42mm case size

• 240 x 240 pixel

• 61g

• Six data fields

• 20mm strap

• 9 days smartwatch

• 25 hours GPS

• 50 hours Max Battery tracking

• Pulse Ox, altimeter, barometer, compass

• Heart rate, VO2 Max

• TOPO mapping

The fenix 6S has 8 modifications. The difference between the modifications is about colors, glass protection, lens material, and features. The Standard fenix 6s is available in white and silver colors, the Pro option is available in rose-gold and black modifications, and the 6S sapphire is available in rose-gold and carbon gray. If you want special editions of the sapphire it is available in rose-gold and light-gold color options.

About Garmin Fenix 6X

The Fenix 6X is the biggest and most feature-packed option from Garmin's new family of outdoor watches.

If you want the best of what the new Fenix has to offer, this is the one to go for. It has everything you get on the Fenix 6 and the Fenix 6S, packaged up in a bigger case with a larger screen to view your maps, metrics, phone notifications and more.

If you're willing to spend really big, there's even a Fenix 6X model with a solar-charged display to give you a battery boost when you're running low on your next big hike.

Garmin Fenix 6S key features:

• From $699.99

• Works with iPhones and Android phones

• 51mm case

• Interchangeable bands

• 10ATM waterproof rating

• Topographical maps

• PacePro pacing feature

• Built-in music player

• Garmin Pay

• Heart rate monitor

• Up to 60 hours GPS battery life

All of the 6X models have maps, Wi-Fi, etc. 

Verdict

The Garmin fenix 6S, 6, and 6X have different sizes, about the same modifications and therefore the 6S version is the smallest and most lightweight while the 6X is the heavier and has the biggest display. The same goes for battery life. If your wrist is average size and you don't want to miss battery life, go with the 6 or 6X but these models will probably be big for thinner wrists.

In other words, all three smartwatches are outstanding in design, features and long battery life. However, going by the varying sizes, your preferred choice would basically depend on your wrist size.

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