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    Home » Blog » Buying Guide » Apple Watch Ultra 2 VS Series 9: Are They Really That Different?
    Buying Guide

    Apple Watch Ultra 2 VS Series 9: Are They Really That Different?

    Melodie KarczewskiBy Melodie KarczewskiUpdated:July 1, 2024No Comments6 Mins Read

    We may earn compensation from reviewed products. Learn about our editorial policies.

    The Apple Watch Ultra 2 and Series 9 are the latest additions to the company’s smartwatch lineup. While there is a huge price gap between the two devices in terms of the standard models, they do in fact share some surprising similarities. 

    So, if you are wondering whether to fork out for an Ultra 2 or maybe save a little on an S9 instead, this guide is here to help.

    Without further ado, let’s dive into the features, design, and performance of these two Apple watches.

    Apple Watch Ultra 2 or S9: At a Glance

    To help you make a more informed decision, let’s take a quick look at the key differences between the Series 9 and Apple Watch Ultra 2:

    FeatureApple Watch Ultra 2Apple Watch Series 9
    Case Size49mm41mm or 45mm
    Case MaterialTitaniumAluminum or Stainless Steel
    DisplayAlways-On Retina LTPO OLED, up to 3000 nitsAlways-On Retina LTPO OLED, up to 2000 nits
    Water Resistance100 meters50 meters
    Depth RatingRecreational dive to 40 meters–
    SirenYesNo
    Action ButtonCustomizable–
    Cellular ConnectivityStandardOptional
    Battery LifeUp to 36 hours (72 hours in Low Power Mode)Up to 18 hours (36 hours in Low Power Mode)

    Now for the more detailed comparison…

    Design and Display 

    When it comes to the physical appearance, the Apple Watch Ultra 2 and Series 9 take vastly different approaches. 

    Apple Watch Ultra 2 with a blue, cream and orange band. The display shows fitness data.

    The Ultra 2 boasts a bold, rugged design with a 49mm titanium case, flat sapphire crystal display, and a prominent Action button that adds an extra layer of functionality. 

    This watch is built to withstand the elements, with a water resistance rating of 100 meters and a MIL-STD 810H certification for durability, a huge plus for the model. 

    Apple Watch Ultra 2 diagram side. Showing various features such as the chunky Action button.

    In contrast, the Series 9 offers a more streamlined aesthetic, available in 41mm or 45mm aluminum or stainless steel cases. Its water resistance isn’t as high as the Ultra 2, but It can withstand 50 meters in water, making it suitable for swimming in a pool. 

    Its Always-On Retina display has up to 2000 nits of brightness for visibility in direct sunlight.

    2 Apple Watch S9's side by side. One in pink and one in black.

    While the Series 9 may not be as overtly adventurous as the Ultra 2, its sleek design and versatility make it a compelling choice for those who prefer a more understated look. Plus it comes in two sizes, unlike the Ultra 2. 

    Performance and Efficiency

    Under the hood, both the Apple Watch Ultra 2 and Series 9 are powered by the same S9 system-in-package (SiP).

    However, the Ultra 2 takes things a step further with its dual-frequency GPS, providing improved accuracy for outdoor activities.

    But the real standout feature when it comes to performance is the battery life. The Ultra 2 offers up to 36 hours of regular use and an impressive 72 hours in Low Power Mode.

    Battery statistics for the Apple Watch Ultra 2.

    In contrast, the Series 9 delivers a respectable 18 hours of battery life, which should be more than enough for most users’ daily needs.

     However, if you’re an endurance athlete or someone who spends a lot of time away from power sources, the Ultra 2’s exceptional battery life could be a game-changer.

    Health and Wellness Tracking

    Both the Apple Watch Series 9 and Ultra 2  are packed with advanced health and wellness features. 

    The S9 and Ultra 2 watches feature a temperature sensor, electrical heart sensor, and third-generation optical heart sensor, allowing you to monitor your heart rate, detect irregular rhythms, and even take an ECG right from your wrist.

    Apple Watch Ultra 2 with a white grey and olive band. Running and heart rate data on display.

    Where the Ultra 2 shines, however, is in its features for outdoor enthusiasts and adventurers. The watch boasts a depth gauge, water temperature sensor, and even a siren that can be heard up to 600 feet away, making it an invaluable companion for activities like diving, hiking, and exploring the great outdoors.

    Black and white photo of man on bike with the Apple Watch Ultra 2 on his right wrist.

    The Series 9, while still a highly capable fitness tracker, may be better suited for those with a more urban or indoor-focused lifestyle.

    Apple Watch S9 with blue band, displaying fitness app.

    Safety and Emergency Features

    Both the Apple Watch Ultra 2 and Series 9 excel in safety and emergency preparedness. 

    They offer International emergency calling, Emergency SOS, Crash Detection, and Fall Detection, ensuring that you can quickly summon help in the event of an emergency.

    The Ultra 2, however, takes things a little bit further with its Siren feature. 

    Black and white image. Apple Watch Ultra 2 on someone's wrist. Water droplets all around.

    This loud, audible alarm can be activated to attract attention and deter potential threats, providing an extra layer of security for those venturing into more remote or isolated areas. Additionally, the Ultra 2’s water resistance rating of 100 meters and its compatibility with the Oceanic+ app for recreational diving make it a standout choice for water-based activities.

    Customization and Connectivity

    One of the key differences between the Apple Watch Ultra 2 and Series 9 lies in their customization options and connectivity features.

    The Ultra 2 boasts an Action button that can be programmed to perform a wide variety of tasks, from launching workouts to triggering custom shortcuts.

    Apple Watch Ultra 2 from the side. We see the orange action button.

    In terms of connectivity, the Ultra 2 comes with cellular connectivity as standard, meaning you can leave your iPhone at home and still stay connected, make calls, and stream music.

    The Series 9, on the other hand, requires you to purchase the cellular-enabled model to enjoy these same features, adding an extra cost to the overall investment.

    Apple Watch S9 on someone's wrist performing 'Double Tap' to answer a call.

    Price

    Price is undoubtedly going to be a big factor when deciding which watch is right for you.

    The starting price for the Apple Watch Ultra 2 is  £799/ $799 from the Apple website and from Amazon here or BestBuy here.

    The starting price for the Apple Watch Series 9 is £399/ $399 and £699/ $699 for cellular. Or £394 from Amazon herehttps://geni.us/10SdSs and with cellular for £524 here. https://geni.us/PEKjr.

    You can also get the S9 from BestBuy for $399 here https://howl.me/cmzUcIJBYNR or cellular for $529 here https://howl.me/cmzUdXaoToT.

    Should you buy the Apple Watch Ultra 2 or Series 9?

    Ultimately, the decision between the Apple Watch Ultra 2 and Series 9 comes down to your individual needs and lifestyle. 

    If you’re an adventurous outdoor enthusiast who values rugged durability, exceptional battery life, and specialized features like the Siren and Depth app, the Ultra 2 is likely the better choice. 

    Black and white image. Someone looks at their watch, performing double tap with their Apple Watch Ultra 2.

    Its customizable Action button and cellular connectivity also make it a more versatile and independent smartwatch experience.

    On the other hand, if you’re looking for a sleek, sophisticated, and highly capable smartwatch that still offers robust health and safety features, the Series 9 may be the better fit. 

    3 Apple Watch S9's in various colours in a row, showing fitness data.

    Its streamlined design, Always-On Retina display, and slightly more affordable price point make it an appealing option for those who prioritize everyday wearability and style.

    But if you are after the cellular option, the £100/ $100 difference makes the Ultra 2 more appealing over the S9 due to the additional features.

    Ultimately, both the Apple Watch Ultra 2 and Series 9 are exceptional smartwatches.

    Images courtesy of Apple.

    Apple Wearable Tech
    Melodie Karczewski

    Melodie Karczewski has been Content Manager at MarkEllisReviews.com for a year and her contributions have already made a strong impact on the site. Before joining, Melodie worked as a freelance writer, specializing in tech and consumer product reviews. Her ability to break down complex technical details into clear, engaging content has made her an invaluable addition to the team. Melodie’s background in writing for a variety of platforms has given her a versatile skill set, allowing her to adapt her writing style to fit the needs of different audiences. When she hasn’t got her head in a product specification table, Melodie can be found writing her own screenplays, watching The Office (US version, obviously) and napping with her dog Finch.

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