From Hot Exynos Chips to a New Cooling Strategy
Samsung’s new cooling strategy for Exynos processors is an effort to reduce thermal throttling in smartphones by pairing advanced heat spreaders with gaming-style liquid and active cooling so that high performance can be maintained for longer periods during demanding workloads like gaming or heavy multitasking. For years, Exynos chipsets have developed a reputation for heating up faster than rival Snapdragon silicon, leading to reduced sustained performance once temperature limits are reached. That weakness became a defining gap in Samsung thermal performance and a frequent complaint among power users who compared real-world results rather than short synthetic benchmarks. Now the company is treating chipset thermal management as a core design problem rather than a late-stage patch, building on the Exynos 2600’s Heat Pass Block and expanding into more aggressive, gaming phone–inspired cooling hardware.
Heat Pass Block: Exynos 2600 Rewrites the Temperature Story
The Exynos 2600 marks a turning point. Samsung added a copper-based Heat Pass Block directly above the chipset die to move heat away more efficiently and slow the onset of thermal throttling. In testing highlighted by SamMobile, YouTuber Geekerwan compared the chip with a Snapdragon 8 Elite Gen 5 cooled using liquid nitrogen. According to SamMobile, the Exynos 2600 “ends up running cooler than a liquid nitrogen-cooled Snapdragon 8 Elite Gen 5” and holds single-core clocks more reliably. While the Galaxy S26 and S26+ can still warm up in challenging scenarios, a small clip-on fan on the back is enough to rein in temperatures for extended gaming. The result is a rare shift: Samsung thermal performance is no longer the clear weak link and has become strong enough that Qualcomm is reportedly considering Heat Pass Block for a future Snapdragon 8 Elite Gen 6 Pro.
Borrowing Liquid Cooling Ideas from Gaming Smartphones
Despite the gains from Heat Pass Block and vapor chambers, Samsung knows that traditional passive cooling is nearing its limit as chip power keeps rising. A report cited by Wccftech says the company is now exploring liquid cooling systems at its Production Technology Research Institute, inspired by gaming phones such as REDMAGIC devices that already ship with visible liquid loops. Instead of showing off the pipes through a transparent back, Samsung is expected to hide any Exynos cooling solution inside the frame to keep its flagship designs clean and maintain dust and water resistance. Wccftech notes that even the vapor-chamber-equipped Galaxy S26 Ultra remains prone to high temperatures, so a closed liquid loop could offer better thermal throttling smartphone control with less noise than air cooling and without bulky external accessories or impractical setups like liquid nitrogen rigs.
Active Cooling Division and the Push to End Throttling
To move beyond experiments, Samsung has reportedly formed a dedicated organization for active cooling solutions inside its Production Technology Research Institute. That group is said to be looking at both air and liquid cooling for phones, with a focus on eliminating thermal throttling rather than only improving short burst scores. Wccftech describes this as a response to smartphone cooling having “hit a wall,” pushing Samsung toward more ambitious chipset thermal management ideas before future Exynos and Snapdragon generations draw even more power. Alongside liquid systems, architectural changes like the side-by-side layout expected in the Exynos 2700 aim to spread heat sources more evenly across the package. If these efforts succeed, everyday users could see steadier frame rates, fewer performance dips, and cooler devices during long gaming sessions or camera use.
What Better Cooling Means for Users and the Industry
For users, the stakes are simple: sustained performance matters more than peak numbers. A reliable Exynos cooling solution that keeps temperatures under control means fewer frame drops, faster app performance over time, and less need to worry about phones becoming uncomfortable to hold. It also gives Samsung more freedom to push frequencies and graphics capabilities without falling into the old pattern of early throttling. As Wccftech notes, Qualcomm is expected to adopt Heat Pass Block in its Snapdragon 8 Elite Gen 6 Pro, showing how quickly the wider industry reacts when a thermal design delivers. If Samsung’s mix of copper heat spreading, new architectures, and possible liquid loops works, other brands are likely to copy these ideas, turning advanced cooling from a gaming niche into a standard part of premium smartphone design.