Apple could possibly be taking drastic motion to assist the iPhone 17 Professional retake the smartphone efficiency crown.
Chinese language leaker On the spot Digital claims that each the iPhone 17 Professional Max and the iPhone 17 Professional will use vapour chamber cooling methods with their next-gen A19 Professional chips.
This is able to mark the primary time such a sophisticated cooling system is getting used for iPhones, although we’ve seen the approach utilized many occasions earlier than elsewhere.
What’s vapour chamber cooling?
Vapour chamber cooling is a generally used approach amongst fashionable high-end Android telephones.
Trendy cellular processors are extraordinarily power environment friendly, however a part of the best way they obtain that effectivity is by solely using a portion of their sources more often than not.
When positioned beneath a sustained load they may make use of extra of their cores and run at larger clock speeds. For this reason telephones warmth up when gaming or capturing and processing 4K video footage.
Such a warmth construct up proves ruinous to battery life, uncomfortable to carry, and probably damaging to the cellphone, which is why telephones will mechanically throttle their efficiency again when issues get toasty.
Efficiency-focused Android telephones such because the Samsung Galaxy S25 Extremely and the OnePlus 13 (and even the comparatively pedestrian Pixel 9 Professional) make use of vapour chamber cooling methods that higher dissipate warmth over a wider space, thus enabling their SoCs (System on Chips) to run sooner for longer.

Luke Baker
Why Apple might all of a sudden be serious about cooling it
Positive sufficient, the aforementioned leaker mentions that the iPhone 17 Professional with its new vapour cooling system will have the ability to keep efficiency hundreds with out having to scale back the frequency of the A19 Professional chip.
Why would Apple select now to implement such a radical efficiency overhaul, you ask?
One motive would possibly relate to the rumoured iPad 17 Air. Thinner gadgets will inherently present poorer cooling, with much less area for air circulation. A meatier cooling system is perhaps required if efficiency is to stay on an upward trajectory, although it’s value noting that the tipster doesn’t point out Apple’s tremendous skinny cellphone by identify.

Connor Jewiss / Foundry
Apple’s efficiency anxiousness
One other attainable motive – and I’m speculating right here – may relate to the truth that Apple’s home-brewed A-series chips are not the unrivalled efficiency kings that they was.
The aforementioned OnePlus 13 and Samsung Galaxy S25 Extremely, with their fancy vapour chamber-cooled Snapdragon 8 Elite chips, really outperform the iPhone 16 Professional with its A18 Professional chip by numerous metrics.
That is the primary time in years that an Apple cellphone isn’t bossing the benchmark assessments – although don’t get us incorrect, it’s nonetheless proper up there. Maybe Apple is trying to restore its efficiency bragging rights with the iPhone 17 Professional.
Regardless of the case, the buyer ought to be the winner right here. If Apple additional normalises vapour chamber utilization, we will hopefully stay up for a way forward for thinner, sooner telephones that don’t scorch your arms after a session of Genshin Influence.