Samsung appears ready to shake things up in the mobile chip market with its upcoming in-house processor, the Exynos 2600. According to early reports from South Korea, this next-generation chip is set to bring significant improvements in power efficiency and heat management, two areas where Samsung’s Exynos lineup has traditionally lagged behind rivals like Qualcomm.
For years, Samsung’s Exynos chips have been criticized for overheating and battery inefficiency. While Qualcomm’s Snapdragon processors remained the preferred choice for many due to their stability and performance, Exynos often fell short — especially in flagship devices.
Now, Samsung seems determined to fix this reputation with a fresh approach to chip packaging and thermal control.
What’s New in Exynos 2600?
The Exynos 2600 is expected to be a 2nm chip, designed and manufactured by Samsung’s own foundry. It’s reported to debut in some models of the Galaxy S26 series, expected in early 2026.
What makes this chip special is Samsung’s adoption of new heat management technology, including a method called Heat Pass Block (HPB). This technique involves integrating copper-based heat-dissipating materials inside the chip package.
HPB helps to draw heat away from core components like the CPU, GPU, and RAM, helping the device run cooler under heavy usage.
In addition to HPB, the Exynos 2600 is also said to use Fan-Out Wafer Level Packaging (FOWLP), a method that places input and output terminals outside the semiconductor chip. This packaging method not only reduces the chip’s thickness but also significantly enhances heat dissipation.
FOWLP was previously used in the Exynos 2400, but combining it with HPB in the 2600 could be a game-changer in terms of overall performance, thermal stability, and battery life.
Samsung is expected to complete testing of the Exynos 2600 by October 2025. If tests go well, mass production will likely follow soon after. While the Galaxy S26 Ultra may exclusively feature Qualcomm’s Snapdragon 8 Gen 2 Elite processor, other S26 models could be powered by the Exynos 2600.
This dual-chip strategy is not new for Samsung, but this time, the Exynos variant may not be the underdog. With improved efficiency and better heat management, it could finally give Snapdragon a real challenge.
Samsung’s efforts to improve Exynos chips with HPB and FOWLP show that the company is listening to feedback and evolving. If the Exynos 2600 lives up to expectations, it could mark a major comeback for Samsung’s chip division, delivering cooler phones, longer battery life, and a smoother experience.

