Although, it falls short behind the smaller Fenix 5s Plus and even farther behind the 5x Plus which has the most sophisticated design that sees it having a stainless or titanium bezel including a sapphire crystal glass.

The Forerunner has the least weight which is quite beneficial considering it’s not as heavy as the other two. It’s also the sleekest which adds to making it a more befitting wear for sport activities.

Although the Fenix 5s plus with the smallest case size is a more befitting wear for women and people with bigger wrist.

Fitness tracking is at the core of the three contenders. Actually, these are some of the best choices on the market right now for a comprehensive activity tracking.

All three devices are fully equipped and are capable of tracking quite a lot of activities that includes, steps, floor climbing, cycling, hiking, swimming, VO2max, heart rate zones, running dynamics, cadence, preloaded golf courses, elevated profile, plus even more. See all Fenix 5x Plus features

You will also get full color map with treadline popularity on any of these three.

However, the Fenix 5s Plus lacks pulse oximeter sensor that’s present in both the Fenix 5x Plus and Forerunner 945.

With pulse oximeter, these two are able to monitor your blood oxygen level – A very essential feature that would come handy for anyone engaging in acclimation activities. The Pulse Ox will help you see how your body is adjusting to higher levels as you climb higher, helping you know when it’s not safe to continue.

While all three contenders are swim-proof, the Fenix 5s Plus and 5x Plus takes it further with their massive 10ATM water resistant rating that makes these two the best choices for deep water divers, and combining that to the full suit swim tracking features, it’s no doubt a great choice for tracking deep water activities.

These three boast of very impressive long battery life, and are undoubtedly some of the best GPS smartwatches with long battery life that lets you go long on a single charge.

That’s one feature that’s a major decider when buying a new activity tracker. With a long battery life, you can focus on what needs to be done, while also being the best choice for people that engage in extreme workout activities.

The Fenix 5x plus having the highest quality has the longest battery life that keeps you going for over two weeks, followed by the Forerunner 945 with about 2 weeks of battery life, while the Fenix 5s Plus has the least battery life which is still quite impressive.

And that’s why the Fenix 5x Plus is the best choice if you’re embarking on a new adventurous journey to your favorite sites, perhaps to Kilimanjaro.