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S11 Chip

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Apple Watch Ultra 4 debuts with S11 chip and expanded Siri AI features

Apple has introduced the Watch Ultra 4, built around its new S11 chip and adding upgraded Siri AI capabilities alongside a feature called Audio Intelligence. Siri AI is initially available in English, while several Audio Intelligence functions are slated to arrive as a beta later in 2026.

Apple Watch Ultra 4 debuts with S11 chip and Siri AI at $799

Apple unveiled the Apple Watch Ultra 4 at its fall event, keeping the same titanium design and $799 price as its predecessor but adding an S11 chip with a quad-core Neural Engine that enables on-device Siri AI features. Preorders start September 9, with shipping and retail availability beginning September 18.

Apple Watch Ultra 4 adds daily readiness score and AI health insights

Apple unveiled the Watch Ultra 4, its top-tier smartwatch, featuring an S11 chip, upgraded heart-rate sensors, and battery life reaching 84 hours in low-power mode or 50 hours in normal use. The device introduces a daily readiness score, a VO2 Max test, and an AI-powered insights tab in the redesigned Health app, plus audio intelligence features for environmental sound alerts and conversation tracking.

Apple unveils Apple Watch Series 12 with new Health Sensing System and S11 chip

Apple announced the Watch Series 12, featuring a new Health Sensing System paired with its S11 chip that enables higher-frequency heart rate and HRV monitoring, along with a new readiness score. The device also introduces Audio Intelligence features and Siri AI powered by Apple Intelligence, while a redesigned Health app with a Longevity tab and Health Age metric is set to arrive later this year.

Apple publishes privacy explainer for new Siri Audio Intelligence features

Apple released a document detailing how its newly announced Audio Intelligence features—Siri Recap, Live Rewind, Sound Recognition, and Music Recognition—process audio without storing or exposing raw recordings. The company says these features rely on a hardware-isolated 'Secure Exclave' in the Apple Watch's S11 chip, which processes sound locally and never creates an accessible audio file. Any data transferred to iPhone is encrypted between Secure Exclaves, and users must manually activate features like Live Rewind and choose what text to retain.

Apple unveils Watch Series 12 and Ultra 4 with new S11 chip and health sensors

Apple has revealed the Apple Watch Series 12 and Ultra 4, both launching September 18th with preorders open now. The Series 12 starts at $399 for aluminum models, with titanium and ceramic options priced up to $899, and both watches run on a new S11 chip enabling Siri-powered audio features like Sound Recognition and Live Rewind. The devices also introduce upgraded heart rate sensors that enable a new Readiness score and Health Age comparison feature exclusive to these two models.

Apple unveils Watch Series 12 with always-on Siri Audio Intelligence

Apple introduced the Apple Watch Series 12 at its September 9th event, featuring a new Siri-powered Audio Intelligence system with live rewind and ambient 'Siri Recap' note-taking. The watch runs on a new S11 chip, starts at $399, and ships September 18th with health upgrades including continuous heart rate sensing and a new Readiness score.

Apple set to unveil Watch Ultra 4 and Series 12 with faster chips this week

Apple will introduce the Apple Watch Ultra 4 and Apple Watch Series 12 alongside its new iPhones this week. Reports point to an upgraded S11 chip replacing the aging S10/S9 silicon, a returning ceramic case option, additional sensors, and possible new health features including an expanded hypertension notification system and an always-on heart rate sensor.

Apple reportedly readying Watch Ultra 4 alongside Series 12 with faster chip

Bloomberg's Mark Gurman reports Apple plans to launch a new Watch Ultra 4 together with the Series 12 at its Sept. 9 event, both featuring faster processors and new health and fitness capabilities. This would mark a rare back-to-back Ultra refresh, breaking from the roughly two-year gap seen between the Ultra 2 and Ultra 3.