Three years of 14nm: What new features does Intel Kaby Lake have?
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In 2015, chip giant Intel announced that its long-standing "tick-tock" strategy had been broken, and the cycle time was extended to 30 months. Intel also said that they would focus more on smaller and more energy-efficient chips. Before that, every two years before the transition to a new process technology, there would always be a flagship chip with a leap in performance of the existing process. Moore's Law was broken starting with Intel's 14nm process. There are three generations of products on this process node, namely: Broadwell microarchitecture, Skylake microarchitecture and Kaby Lake microarchitecture. However, despite the new development model of about a year, different related technical characteristics will be given to the three generations of products. Recently, from the leaked details published by BenchLife, a relatively reliable whistleblower website, Kaby Lake also has some significant improvements, that is, the power consumption is greatly reduced compared to the Skylake architecture. To be honest, this is exactly what Intel said about the development goal of "smaller and more energy-efficient". Core M will take a big step forward As we all know, when it comes to two processors with the same basic architecture, the model with the higher rated core frequency (in GHz) usually represents stronger and faster performance. The most powerful model in the current generation of Skylake microarchitecture Core M processor series has a base operating frequency of 1.2GHz, and a single-core can reach up to 3.1GHz through turbo acceleration, and a dual-core can reach up to 2.9GHz. The frequency of the Core M of the Kaby Lake microarchitecture is expected to increase significantly, with a single-core turbo acceleration of up to 3.6GHz and a dual-core up to 3.4GHz. It seems to be only a "0.x" improvement, but it is already quite significant for a low-voltage and low-power processor, and it can indeed translate into a real experience improvement in many low-power devices, especially ultra-thin new laptops, such as MacBooks and 2-in-1 devices similar to Surface. For the Core i7, it is just a small step. BenchLife also provides some information about Intel U-series low-voltage Core i7-7500U. This type of processor is mainly used in relatively traditional thin and light notebooks such as ultrabooks, and the TDP thermal design power consumption of the product is 15W. According to the news, the default base frequency of the processor can reach 2.7GHz, and the turbo frequency acceleration of both single-core and dual-core can reach 3.5GHz. In comparison, the current generation Core i7-6500U based on the Skylake microarchitecture has a base frequency of 2.5GHz, and the turbo frequency acceleration of single-core and dual-core is 3.1GHz and 3.0GHz respectively. The top-end Core i7-6600U has a base frequency of 2.6GHz, and the turbo frequency acceleration of single-core and dual-core is 3.2GHz and 3.4GHz respectively. In this way, Intel has only made a small improvement on the Kaby Lake microarchitecture with the same power consumption. Is Kaby Lake just a reasonable product upgrade? In short, if the news is correct, the way Intel's 14nm Kaby Lake microarchitecture processor is improved is already very obvious, that is, simply increasing the processing frequency. However, Intel will certainly make some improvements to the underlying CPU architecture to ensure that certain specific features are provided. In any case, better CPU performance, coupled with the expected GPU improvements, can be regarded as a reasonable upgrade, at least for low-power chips. But then again, I believe that more consumers would like to see how Kaby Lake products for high-performance PCs are improved. As a winner of Toutiao's Qingyun Plan and Baijiahao's Bai+ Plan, the 2019 Baidu Digital Author of the Year, the Baijiahao's Most Popular Author in the Technology Field, the 2019 Sogou Technology and Culture Author, and the 2021 Baijiahao Quarterly Influential Creator, he has won many awards, including the 2013 Sohu Best Industry Media Person, the 2015 China New Media Entrepreneurship Competition Beijing Third Place, the 2015 Guangmang Experience Award, the 2015 China New Media Entrepreneurship Competition Finals Third Place, and the 2018 Baidu Dynamic Annual Powerful Celebrity. |
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