Intel announces 12th-gen mobile Alder Lake HX processors with up to 16 cores

An illustration of a 12th Gen Intel Core HX CPU

Intel today announced new 12th gen mobile processors under the HX name. The new family is a mobile equivalent of 12th gen desktop counterparts, and it comes in i5, i7, and i9 variants with up to 16 cores and 55W base power. Intel says these processors "utilize desktop-caliber silicon in a mobile package" to deliver a "high level of performance for professional workflows."

Intel's 12th gen HX processors use the new hybrid core technology the company introduced earlier. Users will get to choose a model with up to 16 cores (8 performance and 8 efficiency) and 24 threads. According to the spec sheet, processors support up to 128 GB of DDR4-3200, LPDDR4-4267, DDR5-4800, and LPDDR5-5200 of ECC RAM. Another notable aspect of the HX lineup is that Intel allows overclocking memory and cores for even more performance.

A visual description of the 12th gen Intel Core HX Platform

Connectivity-wise, Intel 12th gen HX CPUs offer 48 total PCIe lines (x16 Gen5 + x20 Gen4 + x12 Gen3), effectively allowing users run simultaneously up to 4 SSDs (16TB total). There is also support for two discrete Thunderbolt 4 Controllers with 40Gbps throughput.

Intel says the new processors operate up to 17% faster than previous-gen HK CPUs in single-thread tasks and up to 64% in multi-thread scenarios. App-specific uplifts according to the company include +12% in Autodesk AutoCAD, +28% in Revit, and +21% in Inventor.

HX Series i9-12950 i9-12900 i7-12850 i7-12800 i7-12650 i5-12600 i5-12450
Cores 16C/24T 14C/20T 12C/16T 8C/12T
L3 Cache 30 MB 25 MB 24 MB 18 MB 12 MB
Base Clock
P/E
2.3/1.7GHz 2.1/1.5GHz 2.0/1.5GHz 2.5/1.8Ghz 2.4/1.8GHz
Turbo Clock
P/E
5.0/3.6GHz 4.8/3.4GHz 4.7/3.3GHz 4.6/3.3GHz 4.4/3.1GHz
iGPU EU 32 EU 16 EU
iGPU Clock 1.55GHz 1.45GHz 1.35GHz 1.30GHz
Power 55W Base / 157W Turbo
vPro Yes No Yes No Yes No
Memory OC Yes
Core OC Limited Unlimited Limited Unlimited Limited
A full list of the 12th gen Intel Core HX processors

Major PC OEMs will launch their Intel HX-based workstations this year. Expect models from Dell, HP, Lenovo, and others. Intel has also made a driver available to support these new CPUs in the form of a new Intel Graphics 30.0.101.1960 driver update released earlier today, which also fixes a number of game-related issues on supported chipsets.

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