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Apple Watch Ultra 4 is coming next month<\/a>, launching alongside iPhone 18 Pro<\/a>, iPhone Ultra<\/a>, and more. Here are three rumored Apple Watch Ultra 4 features that I\u2019m excited about.<\/p>\n #1: More powerful S11 chip for Siri AI<\/p>\n Siri AI<\/a> is a major focus of Apple\u2019s new software this fall, including watchOS 27. And rumors indicate<\/a> that Apple Watch Ultra 4 will boast a more powerful chip that should be optimized for the new Siri.<\/p>\n Bloomberg\u2019s Mark Gurman reports that Apple Watch Ultra 4 (and Series 12) will benefit from \u201ca long-awaited bump in chips and speed.\u201d He writes<\/a>:<\/p>\n The actual processing performance of Apple Watches hasn\u2019t budged since 2023 with the launch of the S9 chip, despite the company technically rolling out new processors since then.<\/p>\n Current Apple Watch models have an S10 chip, so presumably the new version will be called S11. Siri AI has the potential to be transformative for watchOS use, so I\u2019m excited for a faster, more responsive experience on the latest Watch hardware.<\/p>\n #2: New health sensors and features<\/p>\n Health features are at the core of the Apple Watch\u2019s value proposition. And we\u2019re expecting some big changes on that front with Apple Watch Ultra 4.<\/p>\n Digitimes reported<\/a> last summer that \u201cthe number of sensor components will double\u201d in Apple Watch Ultra 4. And more recently they reiterated<\/a> that the new model will pack \u201ca significant upgrade to sensing functions.\u201d<\/p>\n While we don\u2019t know specifics regarding sensor changes, the outlet also recently reported<\/a> that Apple has a new high blood pressure notification feature under FDA review. So at a minimum, upgrades to last year\u2019s hypertension feature are expected.<\/p>\n I\u2019m always especially interested in health-related Watch improvements. The Apple Watch has had a significant impact on my health journey, and I\u2019m eager to see what Apple has in store next.<\/p>\n #3: Improved power efficiency for likely battery gains<\/p>\n Improved battery life is always a crowd-pleaser. And Digitimes\u00a0reports<\/a> that\u00a0\u201cpower efficiency will improve significantly\u201d with Apple Watch Ultra 4. We don\u2019t know for sure that this will result in longer battery life. But it\u2019s fairly likely.<\/p>\n Apple could always shrink the physical battery size to make room for new health sensors, while keeping battery life the same as Ultra 3. But I would expect at least modest battery improvements, since battery is a key area the Apple Watch trails popular \u2018minimalist\u2019 fitness bands like WHOOP and Fitbit Air.<\/p>\n My Apple Watch Ultra 3 can generally get through two days right now, but I\u2019m all for battery life getting even better\u2014especially if Siri AI leads me to use my Watch more.<\/p>\n What new Apple Watch Ultra 4 features are on your wishlist? Let us know in the comments.<\/p>\n *Shop at Apple with 15% discount on certified refurbished<\/a><\/p>\n Best Apple Watch accessories<\/p>\n![\"\"](\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/08\/siri-app-watchos-27-app-home-screen.jpg\")
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