LGA 1200

LGA 1200
Name	LGA 1200
Type	Land grid array
Contacts	1200
Fsb	DMI 3.0
Processor	Intel Core 10th & 11th Gen
Predecessor	LGA 1151
Successor	LGA 1700

LGA 1200. Also known as Socket H5, it is a CPU socket designed by Intel Corporation for its desktop microprocessors. Introduced in April 2020 alongside the Comet Lake microarchitecture, it served as the platform for both 10th-generation and 11th-generation Intel Core processors. The socket was succeeded in late 2021 by LGA 1700 for the Alder Lake platform, marking a significant architectural shift for Intel.

Overview

The LGA 1200 socket was formally launched with the release of Intel's 10th-generation Comet Lake desktop processors, succeeding the widely used LGA 1151 socket. Its primary role was to support new processor families requiring increased power delivery and enhanced feature sets for the consumer and enthusiast markets. The platform coexisted with the high-end desktop LGA 2066 socket but was distinct from the mobile-oriented FCBGA1526 and FCBGA1440 packages. Key motherboard partners like ASUS, Gigabyte, MSI, and ASRock released a wide range of compatible boards, facilitating its adoption in systems from Dell's Alienware to HP's Omen gaming lines.

Technical specifications

Physically, LGA 1200 features 1200 protruding pins on the socket that make contact with pads on the underside of the processor, a design characteristic of the land grid array package. It maintains the same 37.5mm by 37.5mm outer dimensions as its predecessor, LGA 1151, ensuring cooler compatibility with existing mounting solutions from companies like Cooler Master and Noctua. However, the pinout was reconfigured, making it electrically incompatible. The socket supports processors with a TDP of up to 125 watts and interfaces with the chipset via DMI 3.0. It introduced native support for Wi-Fi 6 through the Intel Wireless-AX controller and increased maximum memory speeds, officially supporting DDR4-2933 on 10th-gen and DDR4-3200 on 11th-gen CPUs.

Supported processors

LGA 1200 officially supports two generations of Intel Core desktop processors. The first is the 10th-generation family, codenamed Comet Lake, which includes series such as the Core i3, Core i5, Core i7, and flagship Core i9-10900K. The second is the 11th-generation family, codenamed Rocket Lake, headlined by the Core i9-11900K and featuring the new Cypress Cove microarchitecture. It also supports related Pentium Gold and Celeron processors based on the Comet Lake design. Notably, processors for the LGA 1200 platform are not compatible with the older LGA 1151 motherboards from the Skylake or Coffee Lake eras due to physical and electrical differences.

Compatible chipsets

Four main chipsets were produced for the LGA 1200 platform, each targeting different market segments. The enthusiast-oriented Z490 and Z590 chipsets, launched with Comet Lake and Rocket Lake respectively, offer full overclocking support for K-series processors and the highest number of PCI Express lanes. The mainstream B460 and B560 chipsets provide a balanced feature set, with B560 notably introducing memory overclocking support. The entry-level H410 and H510 chipsets offer basic connectivity for budget systems. All chipsets provide varying levels of support for technologies like Intel Optane Memory, USB 3.2 Gen 2x2, and integrated Intel UHD Graphics.

Motherboard designs and features

Motherboard manufacturers leveraged the LGA 1200 platform to introduce numerous design innovations. High-end models, such as the ASUS ROG Maximus series, Gigabyte Aorus Master, and MSI MEG boards, featured robust VRM designs with power stages from suppliers like Infineon and International Rectifier, enhanced thermal solutions, and integrated Thunderbolt 3 controllers. The platform saw widespread adoption of PCIe 4.0 support with the Z590 and B560 chipsets, a first for Intel's mainstream desktop line. Features like reinforced PCIe slots, advanced audio codecs from Realtek, and 2.5 Gigabit Ethernet from Intel or Killer Networking became commonplace on premium offerings.

Successor and comparison with other sockets

LGA 1200 was succeeded in late 2021 by LGA 1700, designed for the hybrid architecture of the 12th-generation Alder Lake processors. The successor socket increased pin count to support new power requirements, the PCIe 5.0 standard, and both DDR4 and DDR5 memory. Compared to the contemporary AMD platform, specifically the AM4 socket used for Ryzen processors, LGA 1200 offered a shorter two-generation upgrade path, while AM4 provided longer compatibility across multiple architectures. Within Intel's own lineup, LGA 1200 was distinct from the server-oriented LGA 3647 and the workstation-focused LGA 2066, cementing its role as the mainstream desktop solution during its product cycle.

Category:Computer hardware Category:CPU sockets Category:Intel microprocessors