Garmin Fenix 8

The Garmin fenix 8 is Garmin's premium multisport GPS smartwatch line, and the release announces it as adding AMOLED displays to the series, alongside a solar-charging display option. Garmin announced the fenix 8 Series on 27 August 2024. This page is built on that press release. Where a number comes from Garmin's own testing, we say so, and at the end we list what the announcement does not answer, because a launch document is a description of intent and not a review.

One series, two display philosophies

The central idea is choice. Buyers can take a bright AMOLED display in three sizes, 43, 47 or 51 mm, or a solar-charging display in 47 or 51 mm. The solar version keeps an always-on screen and uses a lens that Garmin says harvests sunlight better than before: the 51 mm model is described as providing 50 percent more solar power than its predecessor. Both display types share refreshed graphics. Battery figures are where the two philosophies diverge. Garmin quotes up to 29 days in smartwatch mode for the 51 mm AMOLED model, and up to 48 days for the 51 mm solar model with the always-on display. The solar figure carries a footnote that assumes all-day wear with three hours a day outside in 50,000 lux conditions, so it describes a bright outdoor routine and not an office worker's week.

Built for rough use

According to the release, all models have leakproof metal buttons and a new sensor guard that helps protect the essential sensors, and they were tested to U.S. military standards for thermal, shock and water resistance. Premium materials are optional: a titanium bezel and a scratch-resistant sapphire lens. The case is dive-rated to 40 metres, and the watch supports scuba and apnea dive activities, which are new to the series. Garmin does not publish in the release a separate water-resistance rating in atmospheres, so the dive rating and the military-standard statement are what you can rely on from this source.

A voice on the wrist

The fenix 8 gains a built-in speaker and microphone. Paired with a compatible smartphone, you can make and take calls from the watch. Some voice commands work without a phone connection, and Garmin gives examples such as starting a strength training activity, setting a timer for five minutes or saving a waypoint. There is also a built-in LED flashlight whose brightness you control from the display, with a red light and a strobe mode. Garmin also describes the Garmin Messenger app for two-way text messaging from the watch, with the condition, stated in the footnote, that both the sender and the receiver need the app on their paired smartphones.

Training and sport features

The release describes a large software layer. A daily training readiness score suggests whether to push or ease off, and metrics such as endurance score, hill score, VO2 max and training status are meant to gauge overall performance. Live guidance includes PacePro, which gives GPS-based pace guidance for chosen courses or distances, grade-adjusted pace, and ClimbPro, which shows real-time information on current and upcoming climbs. For race preparation the watch offers personalised daily suggested workouts that adapt after every run or ride, free Garmin Coach plans and a race widget. Strength training gains targeted plans of four to six weeks, and sport-specific workouts for trail runners, surfers, skiers and others. Users can follow animated cardio, strength, yoga and Pilates workouts on the watch screen. Skiers can see how much time they spend on different difficulty levels at thousands of resorts, and preloaded maps cover thousands of golf courses and ski resorts.

Maps and navigation

Preloaded TopoActive maps with multi-continent coverage come on the sapphire models; a footnote says non-sapphire versions must download maps. An Outdoor Maps+ subscription adds premium content such as satellite imagery and enhanced topographic maps. SatIQ technology and multi-band GPS are said to give better positioning accuracy in difficult environments while managing battery use. Courses created in Garmin Connect can be synced to the watch for turn-by-turn directions, the NextFork Map Guide helps on trails, and a new map interface lets you customise layers. Enter a distance and the watch suggests dynamic round-trip routes. The altimeter, barometer and three-axis compass remain onboard.

Health and everyday use

Health features include wrist-based Pulse Ox, Body Battery energy monitoring, a jet lag adviser, advanced sleep monitoring and nap detection, plus a morning report with last night's sleep, training outlook and Heart Rate Variability status. Garmin states that Pulse Ox is not a medical device and is not available in every country. All models are compatible with the ECG app, described as FDA-cleared and able to record a heart rhythm and check for signs of atrial fibrillation; the footnotes add that it needs the latest Garmin Connect app and watch software, is not available in every region and is not intended for people under 22. Everyday features include smart notifications, Garmin Pay, Garmin Share for sending locations and workouts to other compatible devices, phone-free music from Spotify, Deezer or Amazon Music with a premium subscription, and safety functions such as incident detection, assistance and LiveTrack when paired with a phone.

Price and what Garmin left out

Garmin quoted suggested retail prices starting at 999.99 US dollars. The release does not give a price for each size and material, weights, thicknesses, display resolution or brightness, or a full list of supported dive depths beyond the 40 metre rating. Battery claims are maximums under Garmin's conditions, and the strongest ones apply to the 51 mm case. The release is also silent on how the AMOLED and solar cases differ in weight or thickness, so if wrist comfort matters you need to compare sizes in a shop.

Who it is for

The fenix 8 is aimed at people who want one watch for training, expeditions and daily wear, and who are comfortable paying a premium for materials and battery life. If your priority is a runner's watch with a lighter, cheaper body, look at the Garmin Forerunner 970. For the next step up in this same line, with satellite and cellular messaging, read about the Garmin fenix 8 Pro. If you live in the Apple world, the Apple Watch Ultra 3 is the obvious alternative, and the side-by-side page fenix 8 versus Apple Watch Ultra 3 sets them next to each other. You can also browse the full smartwatches section, or the more rugged and cheaper Garmin Instinct 3.