Intel Announces Coyote Cove P-Cores and Arctic Wolf E-Cores for Nova Lake “Core Ultra 400” Processors, Panther Cove P-Cores for Diamond Rapids “Xeon 7” CPUs

Intel has officially unveiled the core architectures for its upcoming Nova Lake and Diamond Rapids CPUs, highlighting significant advancements with the introduction of Coyote Cove and Panther Cove P-Cores.

Next-Gen CPU Architectures: Coyote Cove and Panther Cove

In its latest release, the 59th Edition of the ISA Extensions Reference, Intel provides crucial insights into its next-generation CPU architectures designed for the Nova Lake client processors and Diamond Rapids server processors. With anticipated launches set for next year, this announcement marks a significant moment for Intel as it confirms the P-Core and E-Core architectures that will underpin these new chips.

Launch Timeline for Nova Lake and Diamond Rapids

Intel plans to roll out its Nova Lake CPUs during the latter half of 2026, aiming to serve both desktop and mobile markets. Recent leaks have unveiled substantial details about these processors, and now, Intel has affirmed that the Nova Lake lineup will incorporate the Coyote Cove P-Cores paired with Arctic Wolf E-Cores. This configuration represents a progression from the existing Cougar Cove P-Core and Darkmont E-Core architecture found in the forthcoming Panther Lake CPUs. As a result, users can expect enhancements in instructions per clock (IPC) performance, alongside improved performance-per-watt efficiencies.

Overview of Intel Client P-Core and E-Core Architectures

Intel CPU Family	P-Core Architecture	E-Core Architecture
Alder Lake	Golden Cove	Gracemont
Raptor Lake	Raptor Cove	Gracemont
Raptor Lake Refresh	Raptor Cove	Gracemont
Meteor Lake	Redwood Cove	Crestmont
Arrow Lake	Lion Cove	Skymont
Arrow Lake Refresh	Lion Cove	Skymont
Lunar Lake	Lion Cove	Skymont
Panther Lake	Cougar Cove	Darkmont
Nova Lake	Coyote Cove	Arctic Wolf
Razer Lake	TBA

Intel Core Ultra 200HX & Core Ultra 200H

The forthcoming Intel Nova Lake-S Desktop CPU lineup is anticipated to support configurations featuring up to 52 cores, while the mobile variant may host as many as 28 cores on its HX platform. Additionally, these processors will introduce a cutting-edge graphics tile built on the Xe3 architecture. Users can also look forward to the integration of support for the new LGA 1954 socket, which may indicate broader platform enhancements.

#Intel released the 59th edition of the ISA Extensions Reference with some #PantherCove, #CoyoteCove and #ArcticWolf microarchitecture details#DiamondRapids #NovaLake #WildcatLakeDownload:https://t.co/adBxCjZN4G #AMX_TRANSPOSE removed https://t.co/Sjn0LaDWL1 pic.twitter.com/UEIMeaJclt

— InstLatX64 (@InstLatX64) October 1, 2025

Diamond Rapids: Next-Gen Server CPUs

For server applications, Intel is gearing up to launch its Diamond Rapids CPUs, which will incorporate the Panther Cove P-Core architecture. This upgrade is a refinement over the current Cougar Cove P-Cores that are set to debut with Panther Lake processors. The Diamond Rapids lineup is expected to support configurations up to 256 cores, with availability slated for the second half of 2026. However, this generation of chips will lack simultaneous multithreading (SMT) support, a design decision Intel has acknowledged as a misstep for their datacenter segment. The forthcoming Coral Rapids chips are anticipated to reinstate SMT functionalities.

There are also speculative reports suggesting a high-performance variant named Panther Cove-X may target the workstation market, although concrete details are still pending. Furthermore, Intel confirmed plans for Wildcat Lake entry-level processors, which will transition from the current Twin Lake platforms, integrating both Cougar Cove P-Cores and Darkmont E-Cores.

Overview of Intel Server P-Core and E-Core Architectures

Intel CPU Family	P-Core Architecture	E-Core Architecture
Sapphire Rapids	Golden Cove	N/A
Emerald Rapids	Raptor Cove	N/A
Sierra Forest	N/A	Gracemont+
Granite Rapids	Redwood Cove	N/A
Clearwater Forest	N/A	Darkmont
Diamond Rapids	Panther Cove	N/A
Coral Rapids	TBD	N/A

The competitive landscape between Intel’s Nova Lake CPUs and AMD’s Zen 6 “Ryzen”series is shaping up, while Diamond Rapids is set to vie against the Zen 6-based EPYC family in the server sphere. The year 2026 promises to present intense competition as both giants in the CPU market step forward with their cutting-edge technologies.

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