Intel’s LGA-1851 Socket Launched: “Arrow Lake” Desktop CPUs Leak in Interactive 3D


September 20, 2023 by our News Team

  • Improved PCIe support with 16+4 lanes
  • DDR5 memory exclusivity
  • Compatible with most existing LGA-1700 coolers


Intel has provided a rare 3D look at its upcoming LGA-1851 socket, which will be featured in the Arrow Lake series of desktop CPUs. This leak, courtesy of Igor’sLAB, offers a unique perspective on the hardware that is not often seen in the world of leaks.

The LGA-1851 socket is Intel’s answer to AMD’s products, with a focus on improving support for PCIe 5.0 lanes. This is a significant upgrade from the previous LGA-1700 series, which only supported 16 lanes. The new platform will support 16+4 lanes, with four dedicated to SSDs. While there are currently no GPUs on the market that utilize the Gen5 standard, this limitation may become less of a concern in the future.

The initial generation of Core Ultra desktop CPUs, codenamed Arrow Lake, will feature 8 P-Cores and 16 E-Cores. Future platforms, such as Panther Lake, are expected to increase core counts. The LGA-1851 platform will exclusively support DDR5 memory, leaving behind DDR4 technology.

Intel’s 800 series chipsets are rumored to include seven SKUs, with the H870 variant potentially being dropped. This move would align Intel’s motherboard products more closely with AMD’s lineup.

One positive aspect for users is that the new LGA-1851 socket should be compatible with most existing LGA-1700 Coolers, as the package size remains unchanged with minor adjustments to the Integrated Heat Spreader (IHS) size.

Overall, Intel’s upcoming LGA-1851 socket and Arrow Lake series CPUs show promise in competing with AMD’s products. With improved PCIe support and DDR5 memory exclusivity, Intel aims to provide a compelling option for PC enthusiasts.

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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.

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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


DDR4: DDR4 is a generation of Double Data Rate (DDR) dynamic random access memory (RAM) technology. It is a type of RAM that utilizes a higher clock frequency and is more power-efficient than its predecessors. As a result, it is capable of processing data more quickly than other RAM in the computer industry. Its increased speed and power efficiency are beneficial for applications such as gaming, rendering, and machine learning. It is designed for high-performance computing and enables faster access to stored information, resulting in better overall performance for the user. Furthermore, because of its low voltage requirements it requires less power consumption, making it an attractive option for many computer systems. DDR4 is set to become the primary RAM in most computer systems as the industry transitions away from its predecessors.

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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.

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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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LGA-1700: LGA-1700 is a socket technology created by Intel that has three versions: LGA-1700, LGA-1710, and LGA-1750. It is designed for use in desktop computers and provides excellent performance and supports multiple processors and memory modules. It is used for both servers and workstations, and is a popular choice for multi-core processors. Its versatility makes it a great choice for a wide range of applications, from gaming PCs to business PCs. LGA-1700 is compatible with many Intel chipsets and CPU series, including Core, Xeon, Pentium, Atom, Celeron, and Itanium Chipset families. It also supports up to 128GB of DDR4 memory and allows for two devices to be connected to each CPU. All of these features make LGA-1700 an ideal choice for those looking for reliable and high performance computers.

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LGA-1851: The LGA-1851 is a type of socket technology used in the computer industry. It is a land grid array (LGA) socket that is used to connect a processor to a motherboard. It is designed to support Intel's latest generation of processors, such as the Core i7, Core i5, and Core i3. The LGA-1851 socket is designed to provide a secure and reliable connection between the processor and the motherboard. It also provides improved thermal performance, allowing for better cooling of the processor. This socket technology is used in a variety of desktop and laptop computers, as well as servers and workstations. It is also used in gaming systems, allowing for improved performance and stability. The LGA-1851 socket is an important part of the computer industry, providing reliable and secure connections between processors and motherboards.

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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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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.

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