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Watch Upgrades

Apple Watch Ultra 4 rumored to pack S11 chip, new sensors

Apple Watch Ultra 4 will reportedly ship with a new S11 chip, a step up from the current S10.
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The essentials
  • The device will reportedly include a more powerful S11 chip optimized for new Siri AI features.
  • Health tracking will receive a major upgrade, with reports of double the sensor components and a new high blood pressure alert.

Next-Generation Apple Watch Ultra 4 Set to Launch with Major Upgrades

Apple Watch Ultra 4 is expected to hit the market next month, launching alongside the iPhone 18 Pro and iPhone Ultra. The upcoming model is generating excitement, particularly for its rumored features, starting with a more powerful S11 chip designed to enhance Siri AI performance.

A Faster Chip for Siri AI

The new Apple Watch Ultra 4 will reportedly be equipped with the S11 chip. It is an upgrade from the existing S10 found in current models. This advancement is part of Apple’s push to improve its software and hardware integration. The push is especially notable with the arrival of Siri AI in the fall. According to Bloomberg’s Mark Gurman, the chip will offer a notable boost in processing performance. The performance has not seen real change since the S9 chip launched in 2023. With the focus of watchOS 27 centered around AI capabilities, the S11 chip is expected to deliver faster and more responsive Siri interactions. This will make the Apple Watch a more efficient tool in users' daily routines.

Health tracking has been central to the Apple Watch’s appeal. The Ultra 4 is said to bring major advancements in this area. Digitimes reported last summer that the number of sensor components in the Ultra 4 will double compared to previous models. More recently, the same outlet confirmed that the new Watch will feature a significant upgrade to its sensing functions. While the exact nature of these sensor changes has not been disclosed, Digitimes also mentioned that Apple is working on a high blood pressure alert system. The system is under FDA review. This means we can expect improvements to the existing hypertension tracking feature. The addition of more sensors could transform the Apple Watch into an even more comprehensive health and wellness device. It could offer users greater insight into their physical conditions.

Battery Efficiency Improvements Expected

Battery life has long been a key area for improvement on the Apple Watch. Digitimes claims that the Ultra 4 will feature “significant improvements in power efficiency.” While it is not certain whether these changes will result in longer battery life, the likelihood remains high. Apple may also shrink the battery to make space for new components. The change could keep the battery life consistent with the Ultra 3 model. At the moment, the Ultra 3 lasts about two days on a single charge. Users are hoping for better performance, especially as AI-driven features like Siri become more integrated into daily use. Enhanced battery life would position the Apple Watch Ultra 4 more favorably against minimalist fitness bands from competitors like WHOOP and Fitbit Air.

The rumored upgrades to the Apple Watch Ultra 4 have many users anticipating the release. From faster performance and new health tracking capabilities to improved battery life, the new model promises to expand the Watch’s utility and impact on users’ health journeys. As Apple continues to refine its wearable technology, fans are eager to see how the Ultra 4 will reshape their experience. What new features are you most excited about for the Apple Watch Ultra 4? Share your thoughts in the comments.

“The actual processing performance of Apple Watches hasn’t budged since 2023 with the launch of the S9 chip, despite the company technically rolling out new processors since then.”

Frequently asked questions

What chip will Apple Watch Ultra 4 include?

Rumors indicate it will feature a new S11 chip, optimized for Apple’s new Siri AI features.

Will Apple Watch Ultra 4 include better health tracking?

Yes, Digitimes reports that the device will include double the number of sensors and possibly a new high blood pressure alert under FDA review.

Based on reporting by 9to5Mac, compiled by the Tradingbird newsroom. Published 05 Aug 2026, 22:26.
Topics: Software · Wearables
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