By Chris Skeldon 
Mediatek recently unveiled its new high-end processor, the Dimensity 9300. On paper, this is an impressive processor with four high-performance cores and several mid-performance cores with a maximum frequency of 3.25 GHz.
However, the first stress tests conducted on this component revealed a problem that was actually expected given its specifications. When exposed to demanding tasks, it only takes a couple of minutes for the Dimensity 9300 to start limiting its performance.
MediaTek Dimensity 9300 limits its performance by 46% of its potential
The test in question was conducted by Sahil Karoul specifically with the aim of understanding how the Dimensity 9300 behaves under significant pressure. To achieve this, the Vivo X100 Pro version is loaded with 100 topics, i.e. tasks and instructions.
It only took a couple of minutes for us to start seeing a stuffy Healer. This is the phenomenon where the CPU limits its performance to reduce the heat emitted and maintain its health.
In this scenario, we see one high-performance core running at just 0.60GHz, four cores running at just 1.20GHz and another three cores running at just 1.50GHz. In other words, the Dimensity 9300 reduced its performance by 46% to avoid overheating.
It is important to note that the equipment used has its own cooling system with a steam chamber. Even with this integrated solution, it was not possible to maintain the Dimensity 9300’s maximum performance for more than two minutes.
This issue was already predicted when the MediaTek Dimensity 9300 processor was officially unveiled. The lack of efficiency cores raised a lot of concerns about the processor overheating, something that has now been confirmed.
In other words, the Dimensity 9300 may not deliver the power that MediaTek advertised to users since it won’t be able to do so for a long time. When it gets hot quickly, it is forced to limit its performance to avoid damaging itself and other components of the smartphone in question.
Could this be an everyday problem? In so-called normal use, there may not be significant performance limitations. However, when you are exposed to difficult tasks, your performance will quickly decline.
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