Intel Alder Lake-HX processors are official, with support for PCIe 5.0, DDR5 and overclocking.

In short: Intel says it’s saving the best of the Alder Lake family for last, which is why today it unveiled seven Alder Lake-HX series processors for workstation-level laptops. These will not be the fastest mobile processors for gaming. However, they expand the H-series lineup with broad support for the latest memory, PCIe and connectivity standards, not to mention overclocking.

The Intel Vision 2022 event is in full swing and the company took the opportunity to disclose 12th generation enthusiast processors for laptops. Make no mistake – these are Alder Lake desktop processors packed into mobile devices, and they’re as power-hungry as you’d expect. Daniel Rogers, Intel’s senior director of mobile product marketing for Client Computing, confirmed that this is, in fact, Alder Lake-S No heatsink processors embedded in BGA packages, suitable for laptops.

All seven processors unveiled today are part of the HX lineup and feature up to 16 cores and 24 threads with peak clock speeds up to 5GHz and base power of 55W. As we learned in a recent leak, these new Core i5, Core i7 and Core i9 mobile components will draw up to 157W under load, so expect to find them in thick laptops with beefy cooling systems and heavy power supplies.

The new processors use the same silicon as their desktop counterparts, so their integrated Xe LP graphics cores have 32 execution units (except for the Core i5-12450HX, which has 16). It’s also worth noting that the Core i9-12900HX, Core i7-12850HX, and Core i5-12600HX are compatible with the Intel vPro management platform, making them ideal for enterprise workstations.

Memory support is pretty solid as OEMs will be able to integrate up to 128GB of memory into their designs. They will also have a variety of options including DDR5 at 4800MHz, LPDDR5 at 5200MHz, LPDDR4 at 4267MHz, and DDR4 at 3200MHz. The Core i9-12900HX, Core i7-12850HX, and Core i5-12600HX models are compatible with ECC memory.

There’s also x16 PCIe 5.0 support (or two x8 connections) and four PCIe 4.0 lanes built into the new processors. A dedicated Platform Controller Hub (PCH) expands this with an additional 16 PCIe 4.0 lanes and 12 PCIe 3.0 lanes, allowing for up to four high-speed PCIe 4.0 SSDs. Manufacturers can also equip their notebooks with high-quality Wi-Fi 6E connectivity solutions and dual Thunderbolt controllers.

Intel says the Core i9-12900HX and Core i7-12800HX support both memory and core overclocking, while the rest of the line only supports memory overclocking capabilities. This means that all new processors support the Intel XMP 3.0 and Dynamic Memory Boost profiles, while the two models mentioned above support independent overclocking of performance and efficiency cores.

It seems like the new Alder Lake HX-series processors are designed to squeeze out as much computing power as possible without burning a hole in your laptop. Intel’s marketing charts highlight areas where it thinks the new processors are faster than their Tiger Lake predecessors, AMD’s Ryzen 6000 series, and Apple’s mammoth M1 Max chipset. Intel didn’t go into details about its supposed lead over the competition. However, it claimed a 17% performance improvement in single-threaded workloads and 64% in multi-threaded workloads over Tiger Lake.

Since they are primarily designed for workstation-level laptops, Intel has also demonstrated significant performance improvements over 11th Gen Core processors in a variety of professional workloads.

The company also provided a brief overview of gaming performance. For now, we’ll have to take Intel’s word for it, but it doesn’t look like the new processor series will disappoint. However, the company noted that Alder Lake H-series processors will continue to be the fastest mobile processors for gaming for some time to come, so in terms of performance per dollar, you might want to go with an Alder Lake-H laptop.

Several laptop models from companies such as HP, Lenovo, Dell, MSI and Gigabyte will feature Alder Lake-HX processors. Among them are HP Omen 17, MSI GT77 Titan and GE76 Raider, Dell Precision 7670, Asus ROG Strix Scar 17 SE, Lenovo Legion 7i and Gigabyte Aorus 17X.

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