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Rumored features of Apple Watch Series 12 include new chip and health upgrades

🔄 Updated 1d ago — new reporting from 9to5Mac
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Key points

  • Series 12 may feature T8320 CPU upgrade.
  • Enhanced battery life through larger battery and efficiency improvements.
  • New high blood pressure notification feature submitted for FDA review.
  • Introduction of a simplified Modular Ultra watch face.
  • Ultra 4 will also receive a new, more powerful S-class chip.
  • The new chip will enhance performance for Siri AI features in watchOS 27.
  • Apple Watch Series 12 and Ultra 4 are launching next month.
  • The new chip will likely be named S11 or S12.
  • The last Apple Watch chip with performance gains was the S9 in 2023.
  • watchOS 27 launches next month.
  • Apple Watch Ultra 4 launches on September 9.
  • Ultra 4 will have significantly upgraded internal health sensors.
  • The number of sensor components in Ultra 4 will double.
  • Ultra 4 will have upgrades to fitness tracking.

New Chip for Improved Performance

Apple Watch Series 12 is anticipated to receive a significant chip upgrade with the introduction of the T8320 CPU. Previous models, Series 9, 10, and 11, utilized the same chip, indicating that this next version may offer enhanced CPU and GPU performance, which is crucial for future AI features like Siri AI integration with watchOS 27.

Focus on Battery Life

Apple is reportedly prioritizing battery life with the Series 12, planning to increase the physical battery size and enhance overall efficiency. As features like sleep tracking become more prevalent, improved battery life is essential for maintaining user engagement.

New Health Features in Development

A new health feature concerning high blood pressure notifications has been submitted to the FDA, expanding upon the hypertension monitoring capabilities already present in prior models. While the existing feature detects patterns using heart rate data rather than providing specific readings, it remains to be seen how the upcoming Series 12 will differentiate itself in health monitoring.

Introduction of a New Watch Face Design

Apple is developing a simplified version of the Modular Ultra watch face for the Series 12, which will feature a prominent clock design without some of the more complex display options. This change aims to improve usability and aesthetics for users.

Updates

🕒 2026-08-28 · new reporting from 9to5Mac
  • Apple Watch Ultra 4 launches on September 9.
  • Ultra 4 will have significantly upgraded internal health sensors.
  • The number of sensor components in Ultra 4 will double.
  • Ultra 4 will have upgrades to fitness tracking.
🕒 2026-08-21 · new reporting from 9to5Mac
  • Ultra 4 will also receive a new, more powerful S-class chip.
  • The new chip will enhance performance for Siri AI features in watchOS 27.
  • Apple Watch Series 12 and Ultra 4 are launching next month.
  • The new chip will likely be named S11 or S12.
  • The last Apple Watch chip with performance gains was the S9 in 2023.
  • watchOS 27 launches next month.

✨ This summary was generated by AI from the outlets' reporting listed below. It is not independently verified and may contain errors — check the original sources. How BrevFeed works →

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How outlets covered it

The upcoming Apple Watch Ultra 4 is rumored to include significantly upgraded internal health sensors and a new S-class chip, potentially enhancing its health tracking capabilities and AI performance. These changes would mark a notable update in hardware for the device, following previous models that shared older chip technology.

Upcoming Apple Watch Series 12 and Ultra 4 models are rumored to include a new, more powerful S-class chip, marking a significant performance upgrade. This chip improvement is expected to enhance the performance of the new Siri AI features in watchOS 27, which will launch concurrently.

Apple is expected to launch new Apple Watch Ultra 4 and Apple Watch Series 12 models next month, featuring an upgraded S11 chip and potential health-related sensor enhancements. These updates aim to improve performance and expand health monitoring capabilities, particularly with new hypertension notifications.

Apple is reportedly in late-stage testing for the Apple Watch Series 12 and Apple Watch Ultra 4, which are expected to launch in September. These models will focus on health, fitness, and speed improvements, including a new chip, rather than a significant design overhaul.

Apple Watch Series 12 is rumored to feature a new CPU, improved battery life, enhanced health features, and a new watch face design. These updates aim to improve performance and user experience as Apple expands its health monitoring capabilities.