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Sure, the new FR945 gains things like onboard music storage/playback (including Spotify), as well as contactless payments and SPo2 readings. The Garmin Forerunner 945 has been one of my favorite GPS sports watches for the past couple of years, but the Forerunner 945 LTE provides a function that I have wanted in a GPS sports watch for a. Connected features include smart notifications, automatic uploads. Built-in GPS tracks how far, how fast and where you run. Elevate wrist-based heart rate monitors heart rate all day and night. Stay fit, stay connected, and share your progress.
In fact, Garmin released two other series: The Forerunner 245/245 Music and the Forerunner 45/45S, which are at lower price points. And while they were at it, it joins almost every other 2019 Garmin device in adopting the Sony GPS chipsets – which in turn gives it longer battery life (though, not without some downsides I’ll dive into).Now this wasn’t the only device released today. It also takes in all of the new features of the $1,500 Garmin MARQ watches, including temperature and altitude acclimation as well as more detailed training load/focus metrics. But it goes beyond those too.
Or well, most of them anyways. In this case, I’ve got a complete run-through video where I dive into all these features. With that, let’s begin! What’s new:There’s no better place to start than with a complete list of what’s new/changed from the previous edition. If you found this review useful, you can help support the site via the links at the bottom. After which I’ll go out and get my own via normal retail channels.
Trick to telling them apart is the slight difference in button color (FR935 was silver, FR945 is dark grey)– Uses same straps/bands as FR935 did, so all bands are interchangeableBelow, you can see the two units side by side and the slight differences in the button color (FR945 is on the bottom):Next, if you’re looking at the difference between the Forerunner 945 versus the Forerunner 245, I highlight those in my FR245 video. Still, here goes:– Added Music Storage/Playback via Bluetooth headphones, including Spotify– Added onboard detailed routable maps for the region you bought it in, with heatmap data in it– Added Respiration Rate (post-activity, also as a data field)– Added new Garmin ELEVATE optical HR sensor (V3, same as MARQ/FR245)– Added deeper training effect details/metrics– Added heat acclimation (for any workouts in temps over 71☏/21.6☌)– Added altitude acclimation (for any time or workouts spent above 850m/2,788ft)– Added Incident Detection (if you crash your bike it notifies someone)– Added respiration rate (with a chest strap)– Added Safety/Tracking Assistance (you can press button to send help alert to friends/family)– Added ClimbPro for automated climb notifications on running/cycling/hiking/XC skiing activities– Revamped race predictor to be a bit more strict on predictions (more than just VO2Max lookup charts now)– Increases battery life to 36 hours in GPS mode (and 60 hours in UltraTrac mode)– VO2Max now compensates for heat (previously it didn’t)– Training Status now compensates for heat (previously it didn’t)– Redesigned a bunch of the user interface, especially for post workout statsHere’s a couple of quick things that don’t change, just in case you’re curious:– It has virtually identical shell/case as FR935 did. Obviously, with the Fenix 5 Plus series coming out half-way through the previous two years, a lot of these features first appeared there. I’ve put together this list using the Forerunner 935 as my baseline for whether something has changed.
For example, you don’t get the training load focus screens or altitude/temp compensation screens on the FR245 display, but behind the scenes it’s actually doing that math for other metrics (and in case you sync it to something like an Edge 530/830). Further, the FR245 doesn’t necessarily show the same level of detail as the FR945, even if it’s actually recording it. The FR945 does everything the FR245 does and craptons more, whereas the FR245 essentially takes the majority of the running-specific features and leaves the rest.
Still, let’s get cookin!To begin, we’ve got the watch face. That’s even more so true if you’ve got a Fenix 5 Plus, in which case almost everything is identical in the basics section (the new stuff comes in under sport usage). The Basics:As with most past Garmin watches, if you’re familiar with other Garmin wearables in the last few years, then you’ll find most of the things in this section repetitive. Well, technically they said ‘No’, but either way, the resultant is the same: Nuttin.
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You can iterate through these in a bunch of widgets, of which most are redesigned on the FR945 compared to the Fenix 5 or FR935. So you’ve got steps, stairs, sleep, and heart rate (plus Pulse Ox, but more on that in a moment). You can even put your own face on it, if you wanted to.From an activity tracking perspective the FR945 captures all the usual suspects. You can either customize it using built-in watch faces, or you can make your own (or download 3rd party ones), using the Connect IQ App Store. But everything on that is customizable, including every bit of data.
Further yet, some 3rd party sites and healthcare providers can also receive this data if you’ve authorized them to.The unit will further track sleep data automatically, though, no Garmin unit tracks naps correctly. Once on the Garmin Connect Mobile you can see the stats there as well as on the Garmin Connect website. Here’s a small gallery of the default/stock widgets:All of this general activity tracking data is then automatically transmitted to Garmin Connect via your smartphone (Garmin Connect Mobile) app. Many Forerunner 935 users will use custom watch faces that show extraordinary amounts of training/related metrics on them.
It’s pretty much within a few BPM of any other devices I’ve used, including some dedicated sensors. I’ve discussed how many people are tracking resting HR and 24×7 HR data to figure out all sorts of things here.In general I don’t really have any issues with the accuracy of the 24×7 HR data. I use resting HR as a great indicator of when you’re over-trained, fatigued, or when sickness is on the way. Whereas the red light is for the SpO2 sensor:From a continuous heart rate standpoint, it tracks this constantly and then uploads it into Garmin Connect mobile as well. This is the green light you see on the back of the unit. The most notable thing about this is that it includes the new SPo2 measurement sensor on it, as well as the usual 24×7 (recording at 1-second intervals.
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That manifests itself in the readings you get. So you take technology that’s really designed to be done when very still and try to apply it to everyday life and you get oddities. The FDA acceptable tolerances are actually surprisingly low (as in, easy), at least compared to what I’d consider acceptable even for sport tracking of heart rate accuracy for example. In the case of a typical medical grade pulse oximetry device, that medical certification is done with the person sitting in a chair very still.
In that scenario – it’s likely to produce just as good results as any other unit on the market, medical grade or otherwise. Ideally this technology would be leveraged on the side of a mountain and manually triggered to determine your current state. For someone like me at exactly sea level, I should be in the 98%+ range almost the entire time.The challenge is that this is taking readings all day long (not by default, but because I enabled it that way), and some of those are inaccurate.
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