The physical die and package size have shrunk compared to current-gen offerings.
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Before we discuss that, a low-resolution picture of the Z990 PCH has also been leaked, with Jaykhin claiming it measures out to 25 x 24mm for the package, while featuring an 11.15 x 6.5mm die. That comes out to 72.5mm² for the die area, while we're looking at 600mm² for the package area. For comparison, Z890's package area was 658mm², and the die area would work out to 92.9mm², constituting a 22% shrinkage for the die and an 8.8% smaller overall package.
Here is the actual Z990 PCH.Not a rendition, not a depiction. The actual PCH .Apologies for the low resolution ( for now ) but walking a thin line.#techleaks #technews #troubledwaters #z990 #intel pic.twitter.com/o41zXu2k7u June 9, 2026
This is despite the higher power draw suggested for Z990, which is 14W. However, the platform will only hit that upper limit when running multiple PCIe 5.0 devices simultaneously; otherwise, the base power for the Z990 PCH is just 7.9W — still 1.9W more than the 6W base power of Z890. Even the cut-down Z970 apparently features a 6.4W base power draw. Both chipsets have the same maximum operating temperature of 113°C, 5 degrees higher than Z890.
When you have just a single GPU slotted in the motherboard, it's wired up directly to the CPU and doesn't use any of the downstream PCIe lanes stemming from the chipset. The same goes for a single PCIe 5.0 drive for Z970 and up to two PCIe 5.0 SSDs for Z990. But the moment you add more PCIe 5.0 devices, they're routed through the chipset, which makes it consume more power to maintain signal integrity.
Keep in mind this 14W figure assumes full chipset residency with Gen 5 devices.The base power of the Z990 PCH is 7.9W, and the base power of the Z970 is 6.4W. Both share a TJMax of 113C.For reference, the Z890 was 6.0W and 108C.The conditions for the base power are below: https://t.co/08MYsBzW5K pic.twitter.com/f3I4ghRgDd June 9, 2026
We haven't officially seen any LGA 1954 motherboard yet, but there were some early prototypes at Computex , which is where the leaked PCH image could've come from. Anyhow, Nova Lake is expected to carry up to 52 cores at the top-end, so it makes sense such powerful motherboards are required to handle the silicon. Previous rumors have pointed toward an insane 700W PL4 for the flagship NVL-S part with dual compute tiles.
Intel's Nova Lake CPUs gear up to seize AMD’s 3D V-Cache gaming throne in early leak
Intel developing two-lever retention mechanism for LGA 1954 socket, according to new leak
Intel reportedly no longer working on 6-core Nova Lake mobile SKU, alleges new rumor
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Reference reading
- https://www.tomshardware.com/pc-components/chipsets/SPONSORED_LINK_URL
- https://www.tomshardware.com/pc-components/chipsets/intels-upcoming-z790-and-z990-flagship-chipsets-will-reportedly-consume-up-to-14w-at-peak-load-courtesy-of-more-pcie-5-0-support-nova-lake-motherboards-may-feature-a-22-percent-smaller-pch-than-z890#main
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