Intel’s 15th Gen Core i7-15700K: 20 Cores Launched, AVX-512 and Hyper-Threading Absent


February 9, 2024

Intel’s 15th Gen Core i7-15700K: 20 Cores Launched, AVX-512 and Hyper-Threading Absent

Summary: Intel's 15th Gen Core i7-15700K boasts 20 cores and 20 threads, but lacks hyper-threading and AVX512 support, potentially impacting its performance compared to AMD's offerings.

  • 20 cores and 20 threads offer impressive processing power
  • Potential successor to the popular Core i7-14700K
  • Competitive alternative to AMD's Ryzen 7000 processors


Intel’s 15th Gen Core i7-15700K: 20 Cores Launched, AVX-512 and Hyper-Threading Absent

Last week, Intel’s Arrow Lake-S flagship CPU was leaked, and now a second 15th Gen sample has been discovered. InstLatX64 has provided us with details of a 20-core CPU, which is likely to include 8P and 12 E-Cores. If these rumors are accurate, this processor will be the successor to the Core i7-14700k, the standout chip from Intel’s 14th Gen Raptor Lake Refresh. However, it is worth noting that this new CPU lacks hyper-threading, AVX512, or any alternative to them.

The alleged Core i7-15700K boasts 20 cores and 20 threads, with a base clock of 2.3GHz. While the base clock speed may not hold much significance on its own, it is interesting to compare it to the supposed Core i9-15900K, which is said to feature 24 cores (8P + 16E) and a base clock of 3GHz. One disappointing aspect of the Core i7-15700K is the absence of AVX512 support. AMD has already embraced 512-bit instructions on its Ryzen 7000 processors, implementing them on Zen 4 using a different approach from Intel’s.

AMD utilizes a 256-bit data path and double the number of registers to execute “most 512-bit ops” over two consecutive cycles. This approach not only improves power efficiency but also eliminates the need for significant architectural changes. On the other hand, Intel plans to integrate AVX512 support into its P and E-cores as part of the AVX10 instruction set. Unfortunately, it seems that Arrow Lake will not benefit from AVX10 or 512-bit instructions.

While the absence of hyper-threading, AVX512, and alternative instructions may be disappointing to some, it is important to consider the overall performance and capabilities of Intel’s 15th Gen Arrow Lake family. With 20 cores and 20 threads, the Core i7-15700K is poised to deliver impressive processing power. Intel enthusiasts will be eager to see how this CPU performs in real-world scenarios and whether it can compete with AMD’s offerings.

As more information becomes available, it will be interesting to see how Intel’s 15th Gen processors stack up against the competition. The absence of certain features may raise concerns for some users, but Intel has likely made design choices based on their own considerations. Ultimately, the success of these new CPUs will depend on their performance, efficiency, and compatibility with various applications and workloads.

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Background Information


About AMD: AMD, a large player in the semiconductor industry is known for its powerful processors and graphic solutions, AMD has consistently pushed the boundaries of performance, efficiency, and user experience. With a customer-centric approach, the company has cultivated a reputation for delivering high-performance solutions that cater to the needs of gamers, professionals, and general users. AMD's Ryzen series of processors have redefined the landscape of desktop and laptop computing, offering impressive multi-core performance and competitive pricing that has challenged the dominance of its competitors. Complementing its processor expertise, AMD's Radeon graphics cards have also earned accolades for their efficiency and exceptional graphical capabilities, making them a favored choice among gamers and content creators. The company's commitment to innovation and technology continues to shape the client computing landscape, providing users with powerful tools to fuel their digital endeavors.

AMD Website: https://www.amd.com/
AMD LinkedIn: https://www.linkedin.com/company/amd/

About Intel: Intel Corporation, a global technology leader, is for its semiconductor innovations that power computing and communication devices worldwide. As a pioneer in microprocessor technology, Intel has left an indelible mark on the evolution of computing with its processors that drive everything from PCs to data centers and beyond. With a history of advancements, Intel's relentless pursuit of innovation continues to shape the digital landscape, offering solutions that empower businesses and individuals to achieve new levels of productivity and connectivity.

Intel Website: https://www.intel.com/
Intel LinkedIn: https://www.linkedin.com/company/intel-corporation/

Technology Explained


AVX512: AVX512 is a set of instructions used in modern computer processors to increase the speed and efficiency of certain operations. It stands for Advanced Vector Extensions 512, and it is an extension of the previous AVX instruction set. AVX512 is used in many applications, such as machine learning, artificial intelligence, and data analysis. It is also used in high-performance computing, where it can help speed up complex calculations. By using AVX512, computers can process more data faster and with greater accuracy. This makes it an invaluable tool for businesses and organizations that rely on large amounts of data.


CPU: The Central Processing Unit (CPU) is the brain of a computer, responsible for executing instructions and performing calculations. It is the most important component of a computer system, as it is responsible for controlling all other components. CPUs are used in a wide range of applications, from desktop computers to mobile devices, gaming consoles, and even supercomputers. CPUs are used to process data, execute instructions, and control the flow of information within a computer system. They are also used to control the input and output of data, as well as to store and retrieve data from memory. CPUs are essential for the functioning of any computer system, and their applications in the computer industry are vast.


E-Cores: E-Cores (Efficiency Cores) are a type of technology used in the computer industry to provide a more efficient and reliable way of powering and cooling computer components. They are made up of a combination of copper and aluminum, and are designed to be more efficient than traditional copper cores. E-Cores are used in a variety of applications, such as in CPUs, GPUs, and other computer components. They are also used in servers, laptops, and other electronic devices. The technology is designed to reduce heat and power consumption, while also providing a more reliable and efficient way of powering and cooling computer components.



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