If a recent tweet from Twitter-user "Ice universe" is to be believed, the next iteration of Samsung's Exynos-exclusive Mongoose 4 (M4) CPU may be gearing up for inclusion in a future Samsung SoC. According to the tweet, the M4 will far surpass the ARM Cortex-A76 core in terms of both performance and energy efficiency, which will be quite a feat but not unheard of. Samsung's Exynos line of SoCs has traditionally surpassed the vast majority of competing chipsets and the suspected Exynos 9820 the new cores will appear in probably won't buck that trend. No further information has been provided about the performance of the new tech but the Cortex-A76 cores can be clocked all the way up to 3.30GHz. So it will be impressive if Samsung can surpass that. The company's current Exynos 9810 is built on 10nm FinFET process node and the version is expected to appear on a 7nm FinFET process.
Obviously, the company is working on scaling further down than a 7nm process and, in the future, much smaller nodes shouldn't be ruled out completely. However, a 7nm-based Samsung Exynos 9820 is almost a certainty, given the company's plans for its chips. Meanwhile, alongside the tweeted information, the Twitter user also included an apparent screenshot showing that a support branch is already being added for Samsung's new silicone - complete with separate features sets and test cases. But that doesn't necessitate a release date at any point in the near future. In fact, the new M4 cores aren't expected to appear until the Samsung Galaxy S10. That's not expected until next year during the usual launch window in January.
With that said, when it does launch it won't just blow past ARM's cores, according to the newly leaked information. It will also undo Apple's dominance in performance, provided by its A12 silicone. The benchmark score would reportedly come in at over 13,000, although that could result in a much less efficient chipset than anticipated - while comparisons to that other SoC are being made. Whatever the case, there won't be any way to tell for the foreseeable future whether or not Samsung can pull those things off with its newest chip. So, it's probably a good idea to take the news with a grain of salt.