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Suunto vs Garmin: Which GPS Watch Is Better for You

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You’ve decided that it’s time to upgrade your sport watch. Or, perhaps, you’re in the market to buy your very first GPS running watch. Now you’ve realized there are a number of major players and have no idea whose better? Garmin vs Suunto Vs Polar!

Once you’ve checked out my post on GPS watch mistakes not to make, we can dive into a little comparison shopping, but that one will help you to NOT OVER SPEND.

The two most popular brands of GPS watches on the market are Garmin and Suunto.

Not interested in all the research and just want to know what I’d pick?
✅This is the most popular watch for new runners.
(and it comes in white!) It has more than enough features to last you through that first 5K all the way through many marathons and is more cost effective than other options.

Though several others exist, we’ll be focusing on these two brands in this post. Largely because as holidays rolled around and I watched everyone flashing their spiffy new watches, these were the two giving me the biggest case of envy!!!

You can find my comparison of Garmin vs Polar here.gps watchesPhoto from @runthesix
In fact, I pondered and researched Garmin vs Suunto for months trying to decide which one to buy.

I was getting sucked in my a lot of marketing hype and about to commit the sin of over buying…so I thought I’d help out anyone else who might be in a similar situation.

How to Choose the Best GPS Watch for Running

garmin vs suunto

Check current Garmin prices
Buying tip: They don’t usually have massive discounts, but you’ll find $50 off frequently or largely discounts at the holidays.

Before your head explodes trying to choose between the two brands, know this: both Garmin and Suunto make great, high quality watches. You can’t go wrong with either.

Choosing is a matter of preference for features like the display, the various tracking modes and activities, and the app used to sync the data from your watch. Each brand makes a variety of watches to suit different budgets and needs.

To help decide on the right watch for you, decide which features matter most to you.

  • Do you just want a basic watch that will track your training and races?
  • Do you want a multi-sport watch that will manage your triathlon training?
  • Do you want a do-it-all watch that keeps track of your every moment, 24/7?

Tip:

If you already use a Garmin or Suunto and are just looking to upgrade, stick with the brand that you already know. Unless there’s a feature you really dislike, then there’s no reason to learn a new interface. Think of it like switching from an iPhone to an Android.

Here’s a quick breakdown of the watches, more feature details below.

Watch

Highlights

Price

Shop

Garmin Forerunner 45

  • Wrist Based HR

  • Notifications

  • Safety features

Entry level $

Check Price


Suunto 3

  • Wrist based HR

  • Fitness/sleep tracker

  • Notifications, multisport

Entry level $

Check Price


Garmin Forerunner 645

  • Same as 25

  • Music

  • Stride, altimeter

Mid-Level $$ (often good sales)

Check Price


Suunto Ambit 3 Peak

  • 30 hour battery life

  • Route navigation, notifications

  • HR chest strap

Mid-Level $$

Check Price


Garmin Fenix 6

  • Stride, HR, altimeter

  • Maps, elevation, routes

  • Smart watch, super long battery life

Top End product $$$

Check Price


Suunto 9

  • 120 hour battery life

  • Multisport, elevation, routes

  • Wrist based HR

Top End product $$

Check Price


GPS Watch Feature Comparison

Most basic GPS watches today include the same data tracking features such as a heart rate monitor, pace, distance, and calorie tracking, and lap function.

Where they differ is in the hardware, training tools, alerts, and data management.

Display and Tracking

Both Garmin and Suunto watches display customizable real-time data, such as pace, time, distance run, calories burned, and heart rate, plus more if you desire. Summary information like average pace, stride count, and elevation gain are all also available real-time by the push of a button.

The biggest difference between the two brands in this arena comes in display customization.

  • The Garmin Fenix 5X Plus allows you to change the data screens mid-workout, as well as the widgets when you’re not.
  • Suunto watches require users to make custom changes through the Movescount app.

garmin screens
Click to see this rugged Garmin Fenix Plus
Being able to change watch faces is a fun feature of the Fenix series

In terms of which watchmaker reigns in tracking, it’s a tie. Depending on the watch, both include a variety of sports modes and have superb GPS accuracy.

Battery Life

The Suunto 9 uses three different battery modes with built-in intelligence systems that estimate the remaining battery time left on a particular mode. If the watch notices that you’re running low on battery, it will suggest that you switch to a different mode. The battery life can last anywhere from 25 to 120 hours depending on the mode.

The Garmin Fenix 5 and Forerunner 935 also includes various battery mode settings, with a battery life ranging from 24 hours in GPS mode to 60 hours in UltraTrac battery saver. UltraTrac mode is a battery saving feature that periodically shuts off GPS and uses the accelerometer to determine speed and distance.

Mapping and Navigation

For those running new routes or who have a tendency to get turned around during a run, the navigational features on Suunto and Garmin watches will make sure you stay on course and return home safely.Suunto Altitude

If you don’t mind looking at a map on a tiny screen, the Garmin Fenix series includes color topographic mapping capabilities. Suunto watches allow for gpx downloads onto the watch that will display a breadcrumb map showing you the way.

For backcountry folk (whether running, skiing, or mountaineering), Suunto is well known for its altimeter and barometric functions that make off-trail navigation easier and safer. Serious backcountry wanderers will also appreciate the barometric features available from both brands.

Heart Rate Monitoring

You know how much I love low heart rate training and fortunately, all of the higher end watches from both Suunto and Garmin include wrist-based and or optical heart rate monitoring.

Some Suunto models, like the Ambit 3 Peak use an optional heart rate belt instead of wrist-based technology. For some tricks on getting more accurate heart rate readings check out my GPS watch tips.

The Garmin Fenix 5 notably tracks impressive 24/7 wellness-related data like sleep metrics and heart rate throughout the day. The watch uses this information to determine stress levels, though let’s be honest… you probably already know if you’re stressed, right??

Data Management and Apps

Suunto currently uses a program called Movescount, however, by summer 2020, the company will start to transition from Movescount to the Suunto app (which is currently working). The app will be compatible with the majority of the new Suunto products, with limited capabilities for lower end or older models.

All watches will have the ability to synchronize and analyze training data, upload photos, videos, and descriptions from your workout, social sharing, send notifications from your phone to your watch, GPS optimization, and sync to sports services and other partners integrated to Suunto app.GPS data sync

The Suunto 3 Fitness, Suunto 9, and Spartan collection includes a few more capabilities, such as synchronization of 24/7 data, like steps, calories burned, and hours slept and route planning and sport mode customization.

Garmin uses a program called Connect that includes similar analytical features as Movescount, and users seems to love the additional capabilities like the ability to create workouts, build courses, and challenge friends to competitions.

If you’re switching between brands, then an app like Strava is probably the best place to keep all of your data safely in once place.

How to decided between two great watches?? A breakdown of Suunto vs Garmin to help you decide! #runchat #running Click To Tweet

Which is the Sports Watch with GPS?

Depending on your budget and your feature preferences, both Garmin and Suunto make a watch for your needs.

TIP: If you can, check out the watches at your local running store or REI to see how they feel on your wrist and get a sense of the display and buttons. Play around with the different apps beforehand to see which interface you like.

As I mentioned above, both brands make high quality watches, so it’s really a matter of just choosing one brand.

Below are some watch suggestions from each brand of varying prices to help you compare what they offer.Garmin vs Suunto

Garmin Watches Comparison

Here we’re going from basic to over the top gadgets and gizmos. The truth is that a lot of us like to have some bells and whistles, but we may not so much NEED them. Get the watch that does what you need and save the moolah for a racecation.

Budget: Garmin Forerunner 35
This is a perfect watch if you’re just looking for something simple that will track your distance, pace, heart rate and calories. At $99, the price is unbeatable. This is 100% the starter watch I recommend for anyone getting in to running.

You can set up intervals, HR wrist based monitoring and get the basics to help you improve your training.

**UPDATE** I’ve heard a few rumblings that the wrist based HR on this slightly older model isn’t as good, so I’d recommend going up just one level to the Garmin 235 or the brand new Garmin 245 which will have the latest tech.

Midrange: Garmin Forerunner  645
If you want to monitor different sports, then take a look at the Forerunner 645. This watch will track running, swimming, and cycling, provides the ability to store 500 songs, safety features and tells you your ground contact time balance, stride length, and more. Truly this watch offers nearly every single feature of the top end model, just without that fancy Rose Gold look.

**The next option in this series is the Garmin 945, which I reviewed. It’s for what I would call the serious athlete and especially trail runners or triathletes thanks to certain pieces of data.

High End: Garmin Fenix 6
Garmin’s premier sport watch, the Fenix 6 series does pretty much anything you want and it’s super smart. This watch is for the athlete who wants their watch to just know what they’re doing.

The Fenix can tell the difference if you’re running indoors vs outside vs on the road or trail. It knows if you’re in a pool or swimming in open water. It can even give you an accurate weather forecast via Bluetooth. It’s not cheap at around $600, but if you want a watch that looks classy to wear all day long and track your every move, then this is the watch for you.

{Updated: Here’s my full review of the Garmin Fenix after wearing it for many miles. I do love the screens, ease of use and long batter life. Does it have more features than I need…well probably. Living near mountain trails I love being able to quickly see elevation and to know it can guide me back out of trails. The adaptive learning also means it keeps making my daily step count higher and higher though, which means I gotta take it off on rest days!}

Suunto Watches Comparison

Suunto has more traction in the trail running community because they were some of the first to have high quality altitude and barometer features. Now road runners are starting to see this brand offers a quality gear.

Budget: Suunto 3
Though this is their entry level watch, it’s got many of the  features you have to pay more for in higher priced watches from Garmin. Features include basic functions + altitude measurement, route navigation and track back, interval workout planner, running cadence, and activity-based recovery time.

It has wrist based HR which hopefully is better than the Suunto 5 that I tested. If you want something simple to use that records all of your running data and offers a bit more feature-wise than the Garmin Forerunner 25, this is a great pick. It’s quite a bit more than the budget Garmin option, but includes more features.Suunto watch reviewsPhoto from @majocalgary

Midrange: Suunto Ambit 3 Peak
For a multi-sport upgrade, check out the Ambit 3 Peak. Known for its super long battery life (30 hours), the Ambit 3 Peak is a great choice for long distance trail runners in particular. The watch also features route navigation and track back and real-time altitude profile navigation. As a bonus, this watch is quite affordable, considering all the features.

They are slowly phasing these out and moving entirely to the Suunto 5 that I did not care for or the Suunto Spartan. Hopefully, I can test it soon.

High End: Suunto 9
The Suunto 9 is designed for endurance athletes who want a long battery life for day long activities. The Suunto 9 Baro includes a barometer to provide more accurate altitude information and ascent/descent values. If storms are frequent where you run, then the watch will alert you of bad weather with a storm warning alarm.

Here’s a full review of the Suunto 5, which is one step down from the 9…except that it has a ton of features for tracking that the 9 doesn’t and costs less!

Suunto 9 Vs Garmin Fenix 6

If you’re trying to decide between to the two top end models, here’s my general breakdown:

  • Garmin has a lot more lifestyle features
  • Suunto often feels more suited to the ultra trail runner
  • Both are at the top of their respective lines, which means every bell and whistle is included
  • Garmin does offer sizing for smaller wrists with the S version

What is the best Suunto watch?

I’m torn on this because my experience wasn’t great, but I have many trail running friends who LOVE their Suunto. The AmbitPeak is one I see them wearing and often praising.

All right, there is the big old break down for you! Of course, each brand offers a lot of other options, but we tried to give you a good preview of each to help make this decision easier.

Looking for more reviews to find the best things for you run?

Checkout our full page of my must have running gear reviews and guides to save you time searching and money! I share what’s worked for me and fellow runners, along with what wasn’t worth the price tag.

A few common requests:

  • Garmin vs FitBit – In case you aren’t sure what brand to pick
  • GPS Watch Mistakes most runners make
  • How to use all your run data
  • Best HR monitors (from watches to straps)
  • Best running socks (lightweight to compression)

What type of GPS watch do you use for running?

What features do you use and love?

Other ways to connect with Amanda
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Facebook Community Chatter: RunToTheFinishRunning_motivation_thumb

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Posted by amanda Categories: GPS Watch, review

Reader Interactions

Comments

  1. Amy Barker says

    April 27, 2019 at 6:56 am

    Interesting. I had never even heard of Suunto before reading this. I have a Garmin Vivoactive 3 and I love it.

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A NEW PLAN DOESN’T FIX EVERYTHING. You might alr A NEW PLAN DOESN’T FIX EVERYTHING. You might already know what’s best for you, but aren’t doing it consistently. That’s the only way we really make changes.
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A PLAN can help, but I often don’t think that’s step one to making lasting change.
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HABITS AND ROUTINES✴️
-Eliminate the need to make decisions.
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TINY HABITS✴️
This is the smallest step you can take towards your goal. Often so small it seems insignificant, but is easy to make it a habit.
🌟
That leads you to another tiny habit, then another and suddenly it’s just your lifestyle.
👆👆👆
When people ask how I easily kept off 35lbs for over 15 years, while enjoying pizza, taking rest days and not obsessing about food.
👇👇👇👇
When people ask how I stay motivated to run year round and rarely race. Tiny habits.
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Day one isn’t eat perfect or run for an hour.
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Day one IS drink a glass of water when I wake up. Put on my running clothes.
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Day 30 is then more like after I drink my glass of water, I do 5 push ups. After I put on my running clothes, I do a 5 minute warm up.
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1900 miles blows away previous years.
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(swipe to see...because yes I love tracking.) Unfortunately I’m not positive what it was 2001-2007 because I wrote it on calendars.
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🤩Without a single race, I still checked a big goal off my list of running an ultra distance (solo was very interesting!).
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