Intel’s Lunar Lake CPU Leaks: 8 Cores, No Hyper-Threading, and 27MB Cache Launched

February 19, 2024 by our News Team

Intel's highly anticipated Lunar Lake CPU boasts an 8-core, 8-thread configuration with unique cache and core architectures, an integrated NPU, and improved graphics performance, making it a potential game-changer in the world of processors.

  • Impressive core configuration with 8 cores and 8 threads
  • Unique cache setup with shared L3 cache and exclusive L2 cache
  • Expected to offer 2-3 times faster performance with integrated NPU

Intel’s highly anticipated Lunar Lake CPUs have made an unexpected appearance, causing a stir among tech enthusiasts. A leaked early sample of the processor, known as the A1 stepping, reveals some intriguing details about its specifications and capabilities.

One of the most notable aspects of the Lunar Lake CPU is its configuration. It boasts 8 cores and 8 threads, indicating the absence of hyper-threading, similar to Intel’s Arrow Lake. The processor is equipped with 12MB of L3 cache, 14MB of L2 cache, and 832KB of L1 cache. Interestingly, the L3 cache is shared between the P and E cores, while the L2 cache is exclusive to individual P-Cores or a quad-cluster of E-Cores. This unique setup creates a 4P+4E configuration, consisting of 4 Lion Cove and 4 Skymont cores.

Delving deeper into the specifications, it is expected that each P-core will feature 2.5MB of L2 cache per core, leaving the remaining 4MB for the E-core cluster. The CPU operates at a base clock speed of 1.80GHz, with an impressive operating frequency of 2.78GHz for an engineering sample. To complement its processing power, the Lunar Lake CPU is paired with 32GB of LPDDR5/5x memory and features an integrated NPU (Neural Processing Unit), similar to Intel’s Meteor Lake.

While specific release dates are yet to be confirmed, Lunar Lake is expected to launch alongside Arrow Lake in the second half of 2024. Both processors will share the same core architectures, Lion Cove and Skymont. However, Lunar Lake will be manufactured using TSMC’s N3P process node, setting it apart from its counterpart. Additionally, the NPU unit in Lunar Lake is anticipated to deliver 2 to 3 times faster performance compared to the one found in Meteor Lake.

Graphics performance is also set to receive a significant boost with the Lunar Lake CPU. The integrated iGPU tile is projected to offer an impressive 20-40% uplift over the Xe-LPG unit that powers Core Ultra. This enhancement promises improved visual experiences and smoother graphics-intensive tasks.

One intriguing detail revealed by Xino, a tech insider, is that the Lion Cove core will feature an additional L0 cache layer derived from a renamed L1 cache. This L1 cache will function as a Latency-reduced L2 cache layer with a similar width to traditional L2 buffers. Ultimately, this addition aims to enhance data caching capabilities, resulting in improved overall performance.

As the Lunar Lake CPU leaks continue to generate excitement, Intel enthusiasts eagerly await further details and benchmarks to gauge its true potential. With its impressive core configuration, cache capacity, and enhanced NPU and iGPU performance, Lunar Lake has the potential to be a game-changer in the world of processors.

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Background Information

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  Intel LinkedIn

About TSMC: TSMC, or Taiwan Semiconductor Manufacturing Company, is a semiconductor foundry based in Taiwan. Established in 1987, TSMC is a important player in the global semiconductor industry, specializing in the manufacturing of semiconductor wafers for a wide range of clients, including technology companies and chip designers. The company is known for its semiconductor fabrication processes and plays a critical role in advancing semiconductor technology worldwide.

TSMC website  TSMC LinkedIn

Technology Explained

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.

iGPU: An integrated Graphics Processing Unit (iGPU) is a component built into a computer's central processing unit (CPU) or system-on-chip (SoC) that handles graphical tasks. Unlike dedicated graphics cards, which are separate components, an iGPU shares system resources with the CPU, allowing for basic graphics capabilities without the need for an additional card. While typically less powerful than dedicated GPUs, iGPUs are energy-efficient and well-suited for everyday computing tasks

L3 cache: L3 cache is a type of computer memory that is used to store frequently used data and instructions. It is located between the processor and main memory, and is used to reduce the amount of time it takes for the processor to access data from main memory. This helps to improve the overall performance of the computer. In the computer industry, L3 cache is used in many applications, such as gaming, video editing, and web browsing. It can also be used to improve the performance of servers and other high-performance computing tasks. By providing faster access to data, L3 cache can help to reduce the amount of time it takes for a computer to complete a task.

Latency: Technology latency is the time it takes for a computer system to respond to a request. It is an important factor in the performance of computer systems, as it affects the speed and efficiency of data processing. In the computer industry, latency is a major factor in the performance of computer networks, storage systems, and other computer systems. Low latency is essential for applications that require fast response times, such as online gaming, streaming media, and real-time data processing. High latency can cause delays in data processing, resulting in slow response times and poor performance. To reduce latency, computer systems use various techniques such as caching, load balancing, and parallel processing. By reducing latency, computer systems can provide faster response times and improved performance.

LPDDR5: LPDDR5 is a type of computer memory technology that is used in many modern computers. It stands for Low Power Double Data Rate 5 and is the latest version of the LPDDR memory standard. It is a type of dynamic random access memory (DRAM) that is designed to be more power efficient than its predecessors. It is used in many modern laptops, tablets, and smartphones to provide faster performance and longer battery life. LPDDR5 is also used in some high-end gaming PCs and workstations to provide faster loading times and smoother gaming experiences. It is also used in some servers and data centers to provide faster data processing and storage.

NPU: NPU, or Neural Processing Unit, is a type of specialized processor that is designed to handle complex artificial intelligence tasks. It is inspired by the structure and function of the human brain, with the ability to process and analyze large amounts of data simultaneously. In the computer industry, NPU technology is being used in various applications such as speech recognition, image and video processing, and natural language processing. This allows computers to perform tasks that were previously only possible for humans, making them more efficient and intelligent. NPU technology is also being integrated into smartphones, self-driving cars, and other devices, making them smarter and more responsive to user needs. With the increasing demand for AI-driven technology, the use of NPU is expected to grow and revolutionize the way we interact with computers in the future.

P-Cores: P-Cores (Performance Cores) are a type of processor technology developed by Intel that is designed to improve the performance of computer systems. This technology is based on the concept of multi-core processors, which are processors that contain multiple cores or processing units. P-Cores are designed to increase the speed and efficiency of computer systems by allowing multiple cores to work together in parallel. This technology is used in a variety of applications, including gaming, video editing, and data analysis. P-Cores are also used in servers and other high-performance computing systems. The technology is also used in mobile devices, such as smartphones and tablets, to improve battery life and performance. P-Cores are an important part of the computer industry, as they allow for faster and more efficient computing.

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