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Apple Watch Series 12 and Ultra 4 Bring Faster Health Data

By Tech Desk · 2026-09-09 · Updated 2026-09-10 14:00 UTC
A sleek smartwatch resting on a minimalist surface
Illustration: Tradingbird

Apple Watch Series 12 and Ultra 4 now feature the S11 chip and a new 'Health Age' score, with 9to5Mac revealing that the lineup also includes a quiet upgrade to double the RAM of their predecessors.

  • 9to5Mac reports that the new Apple Watch models quietly double their memory to 4GB, a significant hardware boost over the 2GB found in last year's devices that was not highlighted in Apple's official launch materials.

    Source: 9to5Mac
  • According to Engadget, the Ultra 4 extends battery life to 84 hours in low-power mode and introduces an 'Extended Workout' setting that supports up to 25 hours of continuous tracking. The device also adds a 0-10 daily readiness score and AI-driven insights within the Health app, while pricing for the premium model starts at $799.

    Source: Engadget
  • GSMArena reports that the new devices will sample heart rate every five seconds and introduce a 'Health Age' metric, which combines VO2 max and sleep data to benchmark biological age against chronological age. Additionally, the Ultra 4 boasts a 19% battery life improvement, reaching up to 50 hours on a single charge.

    Source: GSMArena
  • Apple has released its newest smartwatches, focusing on significantly faster heart rate monitoring and new audio transcription tools.

    Source: 9to5Mac
Based on reporting by 9to5Mac, GSMArena, Engadget and 9to5Mac, compiled by the Tradingbird desk.

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