Samsung’s processor plans for the Galaxy S27 Ultra may not be as settled as previously thought.
A report from South Korea claims Samsung has been testing Qualcomm’s Snapdragon 8 Elite Extreme Gen 6 for its next Ultra flagship and encountered thermal throttling under sustained workloads. That has reportedly brought Samsung’s own Exynos 2700 back into consideration.
There is an important complication.
Qualcomm has directly disputed the overheating report. Executive Vice President and Chief Marketing Officer Don McGuire described claims that the Snapdragon chip is overheating in Samsung’s tests as “100% NOT accurate.”
So, for now, neither an Exynos-powered Galaxy S27 Ultra nor a Snapdragon problem should be treated as confirmed.
Samsung Was Expected to Stay With Snapdragon
Samsung’s Ultra models have increasingly become associated with Qualcomm.
The company has used Snapdragon processors exclusively in recent Galaxy S Ultra generations, even when standard and Plus models in parts of the world received Samsung’s own Exynos silicon.
That led to an expectation that the Galaxy S27 Ultra would again ship with Qualcomm’s highest-end processor.
The new report puts at least a question mark over that plan.
According to the claim, Samsung tested the Snapdragon 8 Elite Extreme Gen 6 inside engineering versions of the S27 Ultra and found that temperatures rose beyond its preferred limits during sustained heavy workloads.
Once temperatures climb too far, a processor can reduce clock speeds to protect itself. That process is known as thermal throttling.
Why Sustained Performance Matters More Than a Peak Score
A processor can look extremely fast during a short benchmark without maintaining the same speed for 20 or 30 minutes.
That distinction matters on an Ultra phone.
Samsung’s top model has to handle gaming, high-resolution video, advanced camera processing and increasingly demanding on-device AI features.
If a processor reaches a high peak but needs to slow down significantly once it gets hot, real-world performance can look very different from the initial benchmark number.
That is why Snapdragon thermal performance would matter if Samsung’s reported concerns turn out to be accurate.
It could also explain why two phones using the same processor may perform differently. Cooling systems, internal layouts and software tuning all affect how long a chip can maintain its maximum speed.
Qualcomm Says the Overheating Report Is Wrong
That caveat cannot be buried.
Qualcomm has rejected the central claim behind the report.
McGuire’s response described reports of Snapdragon 8 Elite Extreme Gen 6 overheating in Galaxy S27 Ultra testing as inaccurate.
Neither Samsung nor Qualcomm has announced a processor change for the Galaxy S27 Ultra.
That leaves the story in an unusual position.
Industry reporting says Samsung has raised concerns and is considering alternatives. Qualcomm says the reported heating issue is not real.
Until Samsung announces the final chipset or more evidence emerges, the Galaxy S27 Ultra processor remains an open question rather than a confirmed switch.
The Snapdragon Chip Pushes Beyond 5GHz
Qualcomm’s new flagship processor is notable for another reason.
The Snapdragon 8 Elite Extreme Gen 6 is the first smartphone chipset to push its prime CPU cores beyond the 5GHz barrier.
That sounds impressive—and it is—but clock speed alone does not determine performance.
Higher frequencies can increase power consumption and heat, which means thermal management becomes even more important.
Qualcomm says the new generation also brings CPU, graphics, AI and efficiency improvements over its predecessor.
Several manufacturers are already preparing or launching devices around the chip.
That makes the reported Samsung issue particularly interesting, because it may relate to Samsung’s specific thermal targets or phone design rather than automatically implying a problem across every device using the processor.
Exynos 2700 Has Suddenly Become More Important
Samsung does have an alternative ready.
The Exynos 2700 is being developed by Samsung Electronics’ System LSI division and manufactured using Samsung Foundry’s second-generation 2nm process, known as SF2P.
Reports describe it as a 10-core processor.
Internal tests have also reportedly shown encouraging results.
One report claims the Exynos 2700 was around 10% ahead of Qualcomm’s chip in Geekbench multi-core testing.
That figure is not an independent retail-device benchmark, so it should be treated cautiously.
Internal engineering samples can use different clocks, cooling and software from the final phone.
Even so, the result is significant because Samsung’s own flagship processors have often faced scepticism from Galaxy buyers.
An Exynos Ultra Would Be a Major Comeback
An Exynos-powered Ultra would carry symbolic weight.
Samsung’s top Galaxy S model has not relied on Exynos in major global markets for several generations.
If the S27 Ultra uses the Exynos 2700, Samsung would effectively be signalling that its chip division has closed enough of the performance and efficiency gap to compete for its most expensive mainstream smartphone.
There is a financial benefit too.
Using more in-house processors can reduce Samsung’s reliance on expensive Qualcomm chips.
It would also increase utilisation at Samsung Foundry and create more revenue for the company’s semiconductor operations.
That makes an Exynos Galaxy S27 Ultra attractive internally even without any Snapdragon problem.
Samsung Could Still Split Chips by Region
There is another possibility: both reports could eventually matter without Samsung choosing one processor worldwide.
Samsung has a long history of selling different chip versions of the same Galaxy family in different countries.
That could happen again.
Some regions might receive Snapdragon, while others get Exynos.
Nothing in the current report establishes that Samsung plans to abandon Qualcomm globally.
In fact, the original reporting itself indicates that Snapdragon has not been formally dropped.
Samsung is reportedly weighing performance stability and production timing before making the final call.
Manufacturing Deadlines Are Getting Close
Timing adds pressure.
Mass production for the Galaxy S27 family is expected to begin towards the end of 2026 ahead of an early-2027 launch.
Processor decisions need to be locked down before large-scale production gets under way.
Changing silicon late in development is not as simple as swapping one component for another.
The phone’s cooling system, power management, modem behaviour, software optimisation and camera processing all have to work correctly with the chosen platform.
That gives Samsung limited room to keep testing indefinitely.
The Chip Decision Is Still a Rumour, Not a Specification
For buyers looking ahead to the Samsung Galaxy S27 Ultra, the main takeaway is not that Exynos has definitely replaced Snapdragon.
It hasn’t.
There are now competing claims around Samsung’s chipset testing. Reports suggest Snapdragon thermal concerns have reopened the door for the Exynos 2700. Qualcomm explicitly rejects those overheating claims.
What does appear clear is that Samsung’s own processor is being taken seriously enough to remain part of the conversation for the Ultra.
That alone would have been difficult to imagine a few Galaxy generations ago.
The final answer should become clearer as Samsung moves towards mass production. Until then, “Exynos 2700 possible” is accurate.
“Snapdragon dropped” is not.
