The Galaxy S27 Ultra isn’t just another flagship — it’s a thermal stress test for the entire mobile silicon stack. Early test units running Qualcomm’s Snapdragon 8 Elite Extreme Gen 6 chip reportedly ran uncomfortably hot during internal evaluations, triggering aggressive performance throttling under sustained load. That leak, first reported by a Korea-based outlet and cited by Android Headlines. Didn’t just raise eyebrows. It triggered a hard deadline: Samsung gave Qualcomm until mid-October to resolve the issue or risk losing the Ultra line to its own 2nm Exynos 2700 processor. For a company that has relied on Qualcomm’s top-tier chips globally for years, that would be a seismic shift, especially with mass production scheduled for late this year. A last-minute SoC swap would disrupt component sourcing, firmware validation, carrier certifications, and launch timing across every major market. And it would mark the first time Samsung deploys Exynos in the Ultra series outside of select regions like India and parts of Europe. Qualcomm responded fast. Chief Marketing Officer Don McGuire took to X to call the overheating claims '100 NOT accurate'. But named only the standard Snapdragon 8 Elite Gen 6 in his statement. He stressed that OEMs routinely tune platforms before launch, balancing power consumption and thermal limits across use cases. His follow-up clarified that Qualcomm and manufacturers 'work together to deliver the best', yet said nothing about the Extreme Edition’s higher-clocked GPU or faster memory support. Analysts point out that pre-production engineering samples always run hotter than final retail hardware. But the real challenge isn’t just peak temperature. It’s heat density inside an ultra-thin, high-resolution, 6.9-inch chassis. Mobile chipmakers keep promising benchmark records. Yet if thermal throttling kicks in during a 30-minute Genshin Impact session or a 4K video encode, those numbers vanish in real-world use. Whether Samsung accepts Qualcomm’s tuning timeline, or pulls the plug. Will be clear in early November, when factory validation reports are expected. No official price or release date has been announced. But if precedent holds, expect the Galaxy S27 Ultra to launch in early 2027 at $1,399 in the US and ₹1,49,999 in India, assuming it ships with Snapdragon at all.