Apple Watch Ultra 4 vs Garmin Fenix 9 Pro: our two spec sheets give them the same score, 8.4 out of 10, yet a week with one looks nothing like a week with the other. The Garmin gets charged twice a month, plots a route with no signal and pairs with any phone you like. It wins this contest on points, four rounds to three. The Ultra 4, sold at €899 (about 590,000 FCFA), remains the nicer watch from Monday to Friday, on one condition that is not up for discussion: you own an iPhone. Neither watch has passed through our newsroom, so everything here rests on published reviews and on feedback from buyers.
Introduction: Apple Watch Ultra 4 vs Garmin Fenix, two titanium watches with nothing else in common
Friday, 6 pm. You are packing a bag for three days of walking, and the watch charger is lying on the desk. Should it come along? With a Fenix 9 Pro, the question raises a smile. With an Ultra 4, it deserves thirty seconds of thought. This whole Apple Watch Ultra 4 vs Garmin Fenix comparison fits inside that small scene.
Garmin unveiled its range on 25 August 2026, and Apple answered on 9 September during its autumn keynote. Figures, sensors and caveats are already laid out in our Apple Watch Ultra 4 spec sheet and in the one for the Garmin Fenix 9 Pro. No point copying them out again.
This Apple Watch Ultra 4 vs Garmin Fenix face-off answers a different question: which one will actually be useful to you, on a Tuesday at the office and on a Sunday in the forest? On the Garmin side we picked the 47 mm version with the AMOLED screen and no inReach option, listed at around €1,149.99 (about 754,000 FCFA) by French retailers. Eight rounds, one winner per round.
Verdict at a glance: the Fenix 9 Pro on points, the Ultra 4 for anyone living with an iPhone
Four rounds for the Garmin, three for the Apple Watch, one draw on the display. The Fenix 9 Pro wins where an adventure watch is expected to, and loses where nobody saw trouble coming: the reliability of its software. Hence an identical score in this Apple Watch Ultra 4 vs Garmin Fenix, and a narrow victory.
Verdict in 30 seconds
The Fenix 9 Pro wins four rounds out of eight: battery life counted in weeks, routes calculated on its own maps, buttons you can use in the rain, Android and iPhone both welcome. Its launch software, still unstable, stops it from pulling further ahead.
For whom Trail runners, hikers and cyclists who head out for more than a day, on Android or on iPhone.
Avoid if You have an iPhone and mostly want a smartwatch for every day, or you cannot put up with software that is still bedding in.
We like
- Up to 18 days quoted in 47 mm
- Routable maps, guidance with no network
- Five buttons, three-colour torch
- Works with Android and iPhone
We like less
- About €250 more than the Ultra 4
- 94 bugs logged in early October 2026
- Paid inReach option, no satellite in Africa
| Criterion | Apple Watch Ultra 4 | Garmin Fenix 9 Pro AMOLED 47 mm |
|---|---|---|
| Design | 49 mm, one size, touch | 43, 47 or 51 mm, five buttons |
| Display | OLED 3,000 nits, 1 nit minimum | 1.4-inch AMOLED, 3,000 nits |
| Performance | S11 chip, smooth watchOS 27 | Fast maps, unstable software |
| GPS and sports | Dual frequency, clean track | Multiband, routable maps |
| Health | ECG, hypertension, apnoea | Sleep, stress, ECG in some countries |
| Battery life | 50 h (84 h in low power) | Up to 18 days, 32 h of GPS |
| Ecosystem | iPhone only | Android and iPhone |
| Price | €899 | About €1,149.99 in 47 mm |
| Rounds won | 3 | 4 |
Design: when it rains, five buttons beat a touchscreen
Picture a long run that turns into a thunderstorm. Water is streaming off your fingers and all you want is to mark a lap. On the Ultra 4 nearly everything goes through the touchscreen, and a wet touchscreen obeys when it feels like it. The Fenix 9 Pro can be driven entirely from its five buttons, gloves included. On a motorbike taxi in Douala at the height of the rainy season, same story.
Second situation, less athletic: the wrist itself. Apple makes a single 49 mm case. On a slim arm, it overhangs. Garmin offers its watch in 43, 47 and 51 mm, and that freedom matters more than any finish.
Thickness hands Apple a small edge, 12 mm against 13.8. As for the scales, be wary of spec sheets: the Ultra’s 63 g are quoted without a strap, the Garmin’s 78 g with one. Case alone, the Fenix drops to 56 g.
Garmin adds an LED torch on the edge of the case, in white, red or green. On a night of load shedding, it helps you find the keyhole. The Ultra 4 has nothing of the kind.
Round to the Garmin. In this Apple Watch Ultra 4 vs Garmin Fenix match, Apple’s design is the more elegant one, Garmin’s the more practical as soon as the weather turns.
Display: a dead heat at high noon
Noon, a laterite track, the sun straight overhead. On this ground Apple was ahead for years. Not any more. Both panels climb to 3,000 nits, and no source reports any trouble reading them outdoors. The Run Testers rates the Garmin on a par with the previous Pro, while TechRadar sees a very clear improvement in sunlight.
Shape changes how you use them. A rectangle shows three lines of a message without chopping words; a circle suits a map or a compass better.
At night, the Ultra dims down to a single nit. Checking the time inside the tent without waking your neighbour is a welcome touch. The Garmin has an always-on display as well, and it is expensive in battery terms: on the previous generation it roughly halved endurance.
Nobody wins this round of the Apple Watch Ultra 4 vs Garmin Fenix. Two excellent screens, and a choice that depends on what you read on them.
Performance: Apple Watch Ultra 4 vs Garmin Fenix, smoothness against teething bugs
Forget the processors. What you notice after a month is how the watch responds, and above all whether it always does.
The Ultra 4 behaves like a small iPhone. You dictate a reply to a message, pay for your bread, pick up a call halfway down a descent, and the interface keeps up without hesitating. The artificial intelligence features in watchOS 27, for their part, are arriving in dribs and drabs: according to Mac4Ever, the new Siri is not offered in the European Union at launch.
The Fenix 9 Pro has become quicker on maps, and TechRadar confirms it.
The problem comes with a number: 94. That is how many malfunctions the5krunner has logged in its register, updated on 3 October, around thirty of them confirmed by many buyers. Crashes in the middle of turn-by-turn guidance. Freezes that leave a gap of several minutes in a workout. Batteries drained overnight. Software version 6.48, released in mid-September, fixed only seven of them. Our detailed take on the Fenix 9 Pro goes back over the episode.
Let’s be fair: a first fix is out, and others will no doubt follow. But losing six minutes of your track on race day is infuriating. This round of the Apple Watch Ultra 4 vs Garmin Fenix goes to the Ultra 4, the safer bet day to day.
GPS and sports: the day the trail disappears
Fog halfway up the slope, a junction with no signpost, a phone with no signal. That precise moment is why people buy a Fenix. You point to the hut on the onboard map, the watch draws a route along the paths and warns you before each fork. Above Buea, on the slopes of Mount Cameroon, a tool like this is reassuring, with one reservation: outside Europe, map quality depends on OpenStreetMap surveys of very uneven standard.
The Ultra 4 can show a map and lead you back the way you came, but it cannot build a route. Its track, on the other hand, is beyond reproach: over a half marathon run by Tom’s Guide it logged 21.42 km when the reference watch gave 21.28. The Garmin posts results of the same calibre. On pure accuracy, a draw.
Training widens the gap. Garmin tracks more than a hundred activities and shows you, mid-effort, what you have left in your legs. Apple has only now added a morning readiness score.
Round to the Garmin, clearly. This is the chapter of the Apple Watch Ultra 4 vs Garmin Fenix whose outcome was written in advance.
Health: what the watch tells you when you wake up
Seven in the morning. Both watches kept an eye on your night, but they do not tell the same story.
The Garmin talks like a coach. Sleep, stress, heart rate variability: it turns them into a readiness status and advises you to go for a run or ease off. TechRadar considers its sleep tracking very faithful.
The Ultra 4 talks a little more like a nurse. Apple has redesigned the back of the watch, which now takes your pulse every five seconds, even when you are doing nothing at all. On an outing of roughly 35 km its numbers stuck close to those of a chest strap, Tom’s Guide reports. The same outlet also describes a misfire in the middle of a half marathon: thirteen minutes before the reading settled, probably because the watch was sliding around on a wrist too thin for it. That single size again.
Above all, the Ultra watches for things the Garmin does not look at: signs of hypertension, signs of sleep apnoea, and an electrocardiogram that is available in France. The Fenix offers an ECG in certain countries only and ignores blood pressure. Mind the borders: hypertension notifications are live in the European Union but delayed in 29 countries, South Africa among them, as our Ultra 4 file explains. None of this replaces a doctor.
Round to the Apple Watch. In an Apple Watch Ultra 4 vs Garmin Fenix, the Garmin is still the better coach, the Ultra the better sentinel.
Battery life: Apple Watch Ultra 4 vs Garmin Fenix, two days against two weeks
Back to that Friday evening bag. Three days of walking, six hours of GPS a day.
With the Ultra 4, the sums are tight. Apple quotes 50 hours of ordinary use and 18 hours of outdoor workout with every sensor running. Eighteen hours of tracking is exactly your weekend, nights not included. You will have to switch on a low power mode or slip the cable into the bag.
With the 47 mm Fenix 9 Pro, you calculate nothing. Garmin quotes 32 hours of GPS and up to 18 days as a smartwatch. You get home on Sunday evening with more than half the battery left. One nuance: the small 43 mm model does not offer the same peace of mind, since TechRadar watched 17% of the battery go on a two-hour hike.
Over a very long event, the gap becomes a chasm. The Ultra has a 45-hour mode, provided you leave the iPhone at home and switch off alerts. The Fenix stretches its tracking to 87 hours in its most frugal setting. WatchGeneration counted the watches on the wrists of the top fifty finishers at UTMB 2026: not a single Apple Watch.
The Ultra does have a clever comeback. Fifteen minutes on the puck give back 18 hours of normal use, as long as you buy a 20 W adapter separately. Between two power cuts, that is enough for the day. The Garmin simply sits out the cut. And the next one.
Round to the Garmin, by the widest margin of this Apple Watch Ultra 4 vs Garmin Fenix.
Good to know — These durations are manufacturer figures, obtained in conditions the brands chose themselves. An always-on screen, music or calls over cellular cut them down on both watches.
Ecosystem and compatibility: Android settles the matter, eSIM complicates the rest
An Android phone in your pocket? You can stop reading. The Ultra 4 demands at least an iPhone 11 updated to iOS 27, and nothing gets around that rule. In French-speaking Africa, where Android runs on the vast majority of phones, an Apple Watch Ultra 4 vs Garmin Fenix is often over before it has begun.
The Fenix 9 Pro gets along with both systems through the free Garmin Connect app. Change phones in two years and your years of workouts come with you.
With an iPhone, the balance of power flips. Apple’s watch extends the phone: calls, dictated messages, payments, apps by the hundred. Garmin’s shows notifications, pays, stores music, without ever feeling like part of the family. With a brand new iPhone 18 Pro, the difference shows from the first week.
A word on networks. The Ultra 4 ships with 5G as standard and a satellite emergency call, free for two years, whose availability varies by country. At Garmin, cellular and satellite are reserved for the inReach versions, which cost at least €100 more and are tied to a subscription listed from €9.99 a month (about 7,000 FCFA).
Round to the Garmin, because it shuts the door on no one.
Good to know — From French-speaking Africa, the network option is not worth its price. Apple lists no African carrier among its compatible networks, so the Ultra 4’s eSIM cannot be activated locally. On the Garmin side, the official manual restricts inReach satellite coverage to North America and almost all of Europe. GPS, maps and sensors need no mobile mast at all.
Price: Apple Watch Ultra 4 vs Garmin Fenix, a €250 gap in October 2026
For once, Apple is the cheaper one. The Ultra 4 costs €899 (about 590,000 FCFA) on Apple’s French site and at the big retail chains alike, 5G and satellite included.
The 47 mm Fenix 9 Pro is harder to pin down. At launch, the press spoke of €1,099.99 (about 722,000 FCFA). In early October, the specialist shops surveyed in our spec sheet show €1,149.99 instead (about 754,000 FCFA), a gap of €250 (about 164,000 FCFA).
Garmin has an answer of its own: the standard Fenix 9, at €999.99 (about 656,000 FCFA). A less noble case, a dimmer screen, the same maps. TechRepublic regards it as the smartest buy for most people. So do we.
From Douala, Abidjan or Dakar, both watches arrive with a relative coming back from Europe or through an importer, customs and margin on top. Ask two questions before paying. The warranty first: Garmin’s is exercised with the European seller, so by parcel, and some Apple authorised centres turn away watches that came from another country. Resale second. A Garmin appeals to any athlete, an Ultra only to an iPhone owner.
The Ultra 4 takes the last round of this Apple Watch Ultra 4 vs Garmin Fenix: cheaper, and better equipped out of the box.
Pros and cons: the Apple Watch Ultra 4 vs Garmin Fenix scorecard
Apple Watch Ultra 4
What we like:
- Full preventive health suite in France: ECG, signs of hypertension and sleep apnoea
- Fluid interface, calls and payments from the wrist with an iPhone
- Fifteen minutes of charging for 18 hours of use
- 5G and satellite SOS included at €899
What grates:
- Unusable with an Android phone
- Two days of battery life, 18 hours of sport with all sensors on
- A single size, and a touchscreen that sulks in the rain
- Limited navigation, ANT+ sensors not recognised
Garmin Fenix 9 Pro
What we like:
- One charge roughly every two weeks in 47 mm
- Routes calculated on onboard maps, with no network
- Five buttons, a torch, three case sizes
- Android and iPhone, free app
What grates:
- About €250 more than the Ultra 4
- Software still bedding in: 94 bugs listed in early October
- Less advanced medical monitoring, nothing on blood pressure
- Network and satellite as a paid option, with no satellite in Africa
Detailed ratings
The ratings in this Apple Watch Ultra 4 vs Garmin Fenix are taken from our two spec sheets and brought down to six shared criteria. They draw on the reviews cited, not on a test by our team.
Where to buy the Apple Watch Ultra 4 and the Garmin Fenix 9 Pro at the best price
Last stop of this Apple Watch Ultra 4 vs Garmin Fenix: the checkout. The Ultra 4 sells everywhere at €899. For the Fenix 9 Pro, shop around, because the price of the 47 mm version varies by fifty euros or so from one retailer to the next. These are prices recorded in France.
Where to buy the Apple Watch Ultra 4 and the Fenix 9 Pro at the best price
- Apple Watch Ultra 4La montre de sport et d'aventure d'Apple, en titane, avec 5G, SOS par satellite et jusqu'à 50 heures d'autonomie, réservée aux utilisateurs d'iPhone.Fnac899.00 €See at Fnac
- Garmin Fenix 9 Pro AMOLED 47 mmLa montre GPS multisport haut de gamme de Garmin, en titane, avec écran AMOLED de 3 000 nits, cartes routables et plusieurs semaines d'autonomie.AmazonSee at Amazon
Prices checked on October 1, 2026. Prices and availability may change.
Some links on this page are affiliate links: Wanda-techs may earn a commission if you buy through them, at no extra cost to you. This does not influence our opinion.
Final verdict: Apple Watch Ultra 4 vs Garmin Fenix, which one should you choose?
To settle an Apple Watch Ultra 4 vs Garmin Fenix, look at your phone first. On Android, the Fenix 9 Pro is the only candidate, and it is a good choice.
Choose the Apple Watch Ultra 4 if you have an iPhone and your outings fit inside a day. You also expect your watch to pay, make calls and keep an eye on your heart. You save €250. You will recharge every other day, a quarter of an hour while you shower. The rest is in our full verdict on the Apple Watch Ultra 4.
Go for the Garmin Fenix 9 Pro if your plans spill over the weekend: an ultra-trail, a week-long trek, a cycling trip. Take it too if you refuse to tie a watch to a brand of phone. Accept, in exchange, software that is still bedding in. Prices by size and the progress of the fixes are detailed in our complete Fenix 9 Pro spec sheet.
Our pick
Garmin Fenix 9 Pro in 47 mm, AMOLED screen, version without inReach — the winner of this Apple Watch Ultra 4 vs Garmin Fenix for endurance athletes and every Android user, at around €1,149.99 (about 754,000 FCFA). With an iPhone and day-long outings, the Ultra 4 at €899 remains the better buy.
Frequently asked questions
Apple Watch Ultra 4 vs Garmin Fenix: which one should you pick for trail running?
For a trail race of a few hours, either will do: their GPS tracks are accurate according to Tom’s Guide and The Run Testers. Beyond 18 hours of effort, the Ultra 4 forces you into a low power mode that switches off part of its features. The 47 mm Fenix 9 Pro quotes 32 hours of GPS, calculates a route on its own maps and is operated with buttons, even in the rain. On an ultra, the Garmin is the obvious pick.
Apple Watch Ultra 4 vs Garmin Fenix: which one works with an Android phone?
Only the Garmin. The Fenix 9 Pro connects to an Android phone or an iPhone through the free Garmin Connect app, and keeps your data if you switch systems. The Apple Watch Ultra 4 requires, from pairing onwards, an iPhone 11 at the very least running iOS 27. No third-party app lets you pair it with a Samsung, a Xiaomi or a Tecno. With Android, the Apple Watch Ultra 4 vs Garmin Fenix question is already settled.
Apple Watch Ultra 4 vs Garmin Fenix: can you dive with these watches?
Yes, for recreational diving only, down to 40 metres for one as for the other. The Ultra 4 turns into a dive computer thanks to the Oceanic+ app, which is sold on subscription. The Fenix 9 Pro has built-in dive profiles. Both cases meet the EN 13319 standard for diving instruments. For technical or deep diving you need a specialised computer: neither of these two watches is designed for that.
Have the Garmin Fenix 9 Pro bugs been fixed?
Not all of them yet. The site the5krunner counted 94 malfunctions reported by buyers in its list updated on 3 October 2026, around thirty of them widely confirmed: crashes during navigation, recording freezes, overnight battery drain. Software 6.48, released in mid-September, resolved seven. If you buy now, install each update as soon as it comes out and keep your proof of purchase within reach.
That is our reading of this Apple Watch Ultra 4 vs Garmin Fenix: a watch that goes far against a watch that does everything close to home. Have you been wearing one of the two since September? Tell us in the comments what you like, what grates, and whether the charger stayed on the desk.
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