A new iPhone ad highlights a useful, lesser-known feature on the latest Pro models.

The vapor chamber is a sealed metal enclosure containing fluid. When a heat source, like the A19 Pro's CPU or GPU, heats the chamber's contact point, the liquid inside absorbs the heat and vaporizes. The gas moves away from the contact point and disperses throughout the chamber, transferring heat away from the processor. Upon reaching the chamber's cooler end, the vapor condenses back into liquid, restarting the cycle.

While Apple is advertising this technology, it's not new to smartphones. The ASUS ROG gaming phone was the first to utilize a vapor chamber in 2018, and Samsung and LG also integrated this cooling solution into their phones early on. Apple is simply a more recent adopter.

However, Apple may be the first to highlight this feature in a new advertisement. The 30-second ad features a sweating man running in a desert amid sounds of a coming storm. A raindrop gives him a boost as a voiceover states, "The Apple A19 Pro chip is vapor-cooled, so you can push your limits and handle demanding tasks effortlessly."

The ad shows the man running faster after the raindrop. He plays an elongated piano, solves a Rubik's Cube, and performs feats of strength before the words "Vapor cooled for serious performance" appear, followed by the A19 Pro chip and the Cosmic Orange iPhone 17 Pro.

Thanks to the vapor chamber, the iPhone 17 Pro models maintain peak performance without overheating. This improvement is highlighted in the ad titled "Peak Performance."

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