Intel docs confirm LGA 1851 socket for Meteor Lake-S desktop CPUs and LPDDR5X-7500 memory support

The Intel site contains content that is not available for public viewing, but ComputerBase Select Information on the site map reveals information regarding which Intel next-generation Meteor Lake desktop CPUs will get support on the latest LGA 1851 socket. The data lists information associated with the CPU socket. The new mainframe of the Meteor Lake desktop range verifies LPDDR5X-7500 memory support.

Intel LGA 1851 socket confirmed for Meteor Lake-S desktop CPUs along with LPDDR5X-7500 memory support

the new LGA 1851 socket The new desktop CPUs will feature Intel Meteor Lake-S. The socket is the exact dimensions of the LGA-1700 socket, with one slight difference. The socket’s IHS protrudes higher than previous sockets, which may ensure enough space for Intel’s new multi-tile technology. Another reason could be to avoid issues seen before with Intel’s Alder Lake CPU drift and overheating due to twist stress.

Intel LGA-1851 socket vs. LGA-1700 socket. Image source: Benchlife

The information in the sitemap displays the following information, with some highlighted areas showing said new socket.

Intel docs confirm LGA 1851 socket for Meteor Lake-S desktop CPUs and LPDDR5X-7500 memory support 3

There is also some valuable information from some of the links in the image above, such as (via Videocardz):

LGA 1851 socket

  • lga1851-mtl-ps-interposer-for-the-gen5-vr-test-tool
  • lga1851-mtl-ps-interposer-internal-models only

Meteorite Lake-S.

  • meteor lake-p-lpddr5x-7500-x32-type-4-alpha-pdk-for-memory-suppliers
  • meteor lake m-lpddr5x-6400-type-4-alpha-pdk-for-memory-suppliers
  • meteor-Lake-s-ddr5-beta-cpu-Upgrade-for-Memory-Suppliers

Arrow Lake-S

  • arrow-Lake-s-ddr5-qual-cpu-Upgrade-for-memory-Suppliers

With this information, we can conclude that Intel has verified and setup the new LGA 1851 socket to be compatible with Meteor Lake and Arrow Lake desktop processors, as indicated by the “S” used. Also, with the information listed, we can conclude that the company will support LPDDR5X-7500 memory. Intel’s Arrow Lake family of CPUs is expected to support LPDDR5X-8400 memory and DDR5 UDIMM and SO-DIMM versions with ECC support.

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Intel’s latest roadmap shows that the 18A is ready for risk production by the second half of 2024, which is way ahead of schedule.

14th Gen Intel Meteor Lake Desktop CPUs Lineup (2024)

Intel’s 14th Gen Meteor Lake-S desktop CPUs will take a step back and reduce the number of P-Cores while keeping the number of electronic cores. The lineup included in the leaked charts includes five different SKU configurations with the best variants featuring up to 22 cores in a mix of 6 P-Cores and 16 E-Cores. P-Cores Meteor Lake CPUs are based on the all-new Redwood Cove architecture while E-Cores will use the Crestmont design. Both are new and improved architectures as reported by Coelacanth-Dream a few weeks ago.

The full list of configurations includes:

  • Meteor Lake-S 22 (6P+16E) / 4 Xe cores / 125W TDP
  • Meteor Lake-S 22 (6P+16E) / 4 Xe cores / 65W TDP
  • Meteor Lake-S 22 (6P+16E) / 4 Xe cores / 35W TDP
  • Meteor Lake-S 14 (6P+8E) / 4 Xe cores / 65WTDP
  • Meteor Lake-S 14 (6P+8E) / 4 cores Xe / 35WTDP

In addition to the SKUs, we also learn that all SKUs will have at least 4 Xe cores for the iGPU which will provide 64 execution units or 512 ALUs. That’s 2 Xe Cores less than the DG2-powered Arc A310 graphics card which is the lowest-level discrete board in the family, but an integrated GPU with this much potential will be on par or even better than the RDNA 2 iGPU on AMD’s Ryzen 7000 Desktop. CPUs. Only the top die configuration will have a 125W “open” SKU while the rest will come in “Non-K” and “T” series with 65W and 35W TDPs.

The only thing to note here is that the 14th Gen Meteor Lake processors will only be available in Core i7 parts and there will be no Core i9 part due to the lower core count. The CPU will hold 4 Intel processing nodes (CPU) + TSMC N5 (tGPU) + TSMC N6 (SOC).

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Comparison of mainstream Intel CPU generations:

Intel CPU family processor process Processor architecture processor cores/threads (maximum) TDPs platform segments a program Memory support PCIe support release
Sandy Bridge (2nd generation) 32 nm Sandy Bridge 4/8 35-95 watts 6-Chain LGA 1155 DDR3 PCIe Gen 2.0 2011
Ivy Bridge (3rd generation) 22 nm Ivy Bridge 4/8 35-77 watts 7-Series LGA 1155 DDR3 PCIe Gen 3.0 2012
Haswell (4th generation) 22 nm Haswell 4/8 35-84 watts 8-Series LGA 1150 DDR3 PCIe Gen 3.0 2013-2014
Broadwell (5th generation) 14 nm Broadwell 4/8 65-65 watts 9-the chain LGA 1150 DDR3 PCIe Gen 3.0 2015
Skylake (6th generation) 14 nm Skylake 4/8 35-91 watts 100 series LGA 1151 DDR4 PCIe Gen 3.0 2015
Kaby Lake (7th generation) 14 nm Skylake 4/8 35-91 watts 200 series LGA 1151 DDR4 PCIe Gen 3.0 2017
Coffee Lake (8th generation) 14 nm Skylake 6/12 35-95 watts 300 series LGA 1151 DDR4 PCIe Gen 3.0 2017
Coffee Lake (9th generation) 14 nm Skylake 8/16 35-95 watts 300 series LGA 1151 DDR4 PCIe Gen 3.0 2018
Comet Lake (10th Generation) 14 nm Skylake 10/20 35-125 watts 400 series LGA 1200 DDR4 PCIe Gen 3.0 2020
Missile Lake (11th generation) 14 nm Cypress Cove 8/16 35-125 watts 500 series LGA 1200 DDR4 PCIe Gen 4.0 2021
Alder Lake (12th generation) Intel 7 Golden Cove (P-Core)
Gracemont (E-Core)
16/24 35-125 watts 600 series LGA 1700/1800 DDR5 / DDR4 PCIe Gen 5.0 2021
Lake Raptor (13th generation) Intel 7 Raptor Cove (P-Core)
Gracemont (E-Core)
24/32 35-125 watts 700 series LGA 1700/1800 DDR5 / DDR4 PCIe Gen 5.0 2022
Meteor Lake (14th generation) Intel 4 Redwood Cove (P-Core)
Crescent (E-Core)
22/28 35-125 watts 800 series? LGA 1851 DDR5 PCIe Gen 5.0 2023
Arrow Lake (15th generation) intel 20 a Lion Cove (P-Core)
Skymont (E-Core)
24/32 TBD 900 series? LGA 1851 DDR5 PCIe Gen 5.0 2024
Moon Lake (16th generation) intel 18a to be announced later on TBD TBD 1000 series? TBD DDR5 PCIe Gen 5.0? 2025
Lake Nova (17th generation) intel 18a to be announced later on TBD TBD 2000 series? TBD DDR5? PCIe Gen 6.0? 2026
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News sources: ComputerBase, Intel, and @harukaze5719 (Twitter)VideoCardz

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