Intel’s 15th Gen Arrow Lake-S CPU introduces: 24 Cores, No Hyper-Threading, and 125W TDP

January 21, 2024

Intel's highly anticipated 15th Gen Arrow Lake processors have been launched, boasting impressive specifications such as 24 cores, improved cache sizes, and support for faster memory and connectivity options, and will be the first to utilize the Intel 20A node, promising improved performance and efficiency.

  • Impressive 24-core CPU with 8 performance cores and 16 efficiency cores
  • Significant improvement in multi-threaded performance compared to previous processors
  • Natively supports DDR5-6400 memory and offers high-speed data transfer capabilities

Intel has launched the specifications of its highly anticipated 15th Gen Arrow Lake processors, along with details about the accompanying PCH (Platform Controller Hub). While much has already been revealed about the CPU architecture, the PCH has remained a mystery until now. Let’s dive into the exciting features of Intel’s latest offering.

Starting with the Arrow Lake-S CPU, it boasts an impressive 24 cores, comprising 8 performance cores (P-Cores) and 16 efficiency cores (E-Cores). However, it’s worth noting that this information is based on a pre-alpha sample, and hyper-threading seems to have been disabled from the BIOS. This means that the thread count is limited to 24. Intel has also made an interesting shift from hyper-threading to Rentable Units with the Arrow Lake processors.

In terms of power consumption, the Arrow Lake-S CPU has a base TDP (Thermal Design Power) of 125W. The listed clock speed is 3.5GHz, which could either be the base clock for the P-cores or the boost clock for the E-cores. It’s important to remember that these frequencies are likely to be lower in the final market version.

The P-cores, codenamed “Lion Cove,” are expected to feature 3MB of L2 cache, which is a significant improvement compared to the previous Raptor Lake processors’ 2MB cache. Additionally, Intel claims that these processors will offer a 15% improvement in multi-threaded performance over their predecessors, thanks to the combination of Lion Cove P-cores and Skymont E-cores.

The Arrow Lake-S family will debut alongside the LGA1851 socket, and it will be accompanied by the Z890 chipset. This chipset hints at the existence of two more dies with 14 cores (6P + 8E) and 22 cores (6P + 16E). The CPUs will natively support DDR5-6400 memory, a significant upgrade from DDR5-5600. They will also offer 20 PCIe Gen 5 lanes for dGPU and M.2 NVMe, along with four Gen 4 lanes for an M.2 SSD. Additionally, users can expect up to 8 SATA III lanes, two USB 4.0 ports, and one Thunderbolt 4 port.

Turning our attention to the PCH, it features a DMI3 x8 (Gen 4) interconnect to the CPU, 24 PCIe Gen 4 lanes, 8 SATA III ports, 10 USB 3.2 Gen 2×1 ports, Bluetooth 6/WiFi 7 support, and 14 USB 2.0 ports. These specifications ensure seamless connectivity and high-speed data transfer capabilities.

Intel plans to launch its 15th Gen Arrow Lake processors in the second half of this year. These processors will be the first to utilize the Intel 20A node, which incorporates RibbonFET (GAA) and backside power delivery technologies. The combination of these advancements promises improved performance and efficiency for users.

As we eagerly await the release of Intel’s Arrow Lake processors, it’s clear that the company is pushing the boundaries of CPU technology. With increased core counts, enhanced cache sizes, and support for faster memory and connectivity options, these processors are poised to deliver impressive performance gains. Stay tuned for more updates on Intel’s exciting new products.


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.

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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.

DDR5: DDR5 (Double Data Rate 5) is the next generation of memory technology for the computer industry. It is a modern day improvement on earlier DDR technologies, with faster speeds, greater bandwidth and higher capacities. DDR5 enables higher resolution, seamless gaming experiences and faster data transfer rates, making it an ideal choice for high-performance computing and 4K gaming. With its greater RAM compatibility, DDR5 provides faster buffering times and raised clock speeds, giving users an improved overall work system. DDR5 is also optimized for multi-tasking, allowing users to multitask without experiencing a significant drop in performance, increasing the productivity of digital tasks. As an ever-evolving technology, DDR5 is paving the way for the computer industry into a new and powerful era.

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.

M.2: M.2, also known as Next Generation Form Factor (NGFF), is a computer expansion card format that is designed to replace the outdated mSATA standard. It is thinner and longer than mSATA, which gives it a much higher data transfer rate. The M.2 format measures 22mm in width and can measure up to 110mm in length. It uses the M-key and B-key connectors to interface with PC host systems, and can connect to both SATA III and PCIe for data transfer. Due to its small size, M.2 is often used for ultra-slim laptops and netbooks, as well as in embedded SSDs for tablets and other mobile devices. It is also becoming increasingly popular in the desktop computer industry, thanks to its compactness and fast transfer speeds. This makes M.2 ideal for gaming PCs, workstations, and other demanding applications that require high levels of data throughput.

NVMe: Non-Volatile Memory Express (NVMe) is a newly developed technology that has been gaining traction in the computer industry. This technology is a standard interface which allows for high-speed storage and retrieval of data from solid state drives (SSDs). NVMe is designed to increase the speed of data transfers in storage systems by enabling a direct connection to PCI Express (PCIe) bus, resulting in significantly faster access times compared to traditional interface protocols such SSDs. NVMe is particularly useful for applications that require lightning-fast access to large amounts of high-value data. NVMe-based SSDs are being widely adopted in the computer industry and are being employed to power data centers, high-end workstations, and gaming machines to support lightning-fast data processing and retrieval, which unlocks possibilities for machine learning, real-time analytics, edge computing, and other cutting-edge applications. NVMe is proving to be an invaluable tool in the field of computing, offering immense

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.

PCIe: PCIe (Peripheral Component Interconnect Express) is a high-speed serial computer expansion bus standard for connecting components such as graphics cards, sound cards, and network cards to a motherboard. It is the most widely used interface in the computer industry today, and is used in both desktop and laptop computers. PCIe is capable of providing up to 16 times the bandwidth of the older PCI standard, allowing for faster data transfer speeds and improved performance. It is also used in a variety of other applications, such as storage, networking, and communications. PCIe is an essential component of modern computing, and its applications are only expected to grow in the future.

SSD: A Solid State Drive (SSD) is a modern data storage device that employs flash memory technology to store data electronically. Unlike traditional hard disk drives (HDDs), SSDs have no moving parts, resulting in significantly faster read and write speeds. This leads to quicker boot times, faster application loading, and smoother overall system performance. SSDs are known for their durability, shock resistance, and energy efficiency, making them ideal for laptops, ultrabooks, and other portable devices. They come in various form factors, including 2.5-inch, M.2, and PCIe cards, and are favored for their reliability, quiet operation, and reduced heat generation

Thunderbolt 4: Thunderbolt 4 is a high-speed connection interface that enables data transfer between computers and peripherals. Thunderbolt 4 is the fastest version of Thunderbolt yet, with speeds up to 40 Gbps, and it is also the most versatile, with support for up to four 4K displays, dual 4K video, and up to 100W of power delivery. Thunderbolt 4 is ideal for connecting high-performance peripherals such as external storage drives, docks, and displays. It is also ideal for connecting multiple computers together for high-speed data transfer and collaboration.

WiFi 7: WiFi 7 is the latest development in wireless networking technology. It boasts a much larger range than previous versions, allowing its users to access a wireless signal from up to three times further away compared to its predecessor. WiFi 7 also offers greater performance even in congested areas, providing an improved, more reliable connection. As a result, computer industry experts are raving about its applications. WiFi 7 can be used for various tasks like streaming multimedia content, connecting to the Internet, and transferring large files between devices seamlessly. It is also used in businesses to improve their workflow and customer care abilities by providing instant access to their online resources. All in all, WiFi 7 is an innovative and highly sought after technology within the computer industry, and its advancements have made it essential for many businesses.

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