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The Core Ultra 200K Plus (codenamed Arrow Lake Refresh) collection reestablished Intel’s place within the processor market, however that is simply the beginning. With its next-generation Core Ultra 400S (Nova Lake) chips, Intel intends to go away little doubt about who makes one of the best CPUs for gaming in the marketplace. According to the newest VideoCardz leak, Nova Lake might ship a knockout blow to AMD’s upcoming Zen 6 chips with beefy rumored specs.
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Intel is getting ready to launch its extremely anticipated Nova Lake chips underneath the Core Ultra Series 4 banner. It’s a logical transfer, since Core Ultra Series 3 is already taken by Panther Lake. The next-generation desktop chips will reportedly adopt the Core Ultra 400S branding. Nova Lake will harness the power of Coyote Cove P-cores and Arctic Wolf E-cores, rumored to deliver a remarkable 20% IPC improvement over the already impressive Lion Cove and Skymont cores.
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Yet, perhaps the most groundbreaking feature of Nova Lake is the rumored introduction of a massive Big Last Level Cache (bLLC), designed to go head-to-head with AMD’s 3D V-Cache technology. If there is any credence to the early rumors, the L3 cache capacity inside Nova Lake could range from 144 MB to 288 MB, a feature that would dramatically boost gaming and productivity performance by reducing memory latency and improving data access speeds.
Intel Core Ultra 400S Designs*
|
Cores |
Die Type |
Configuration |
LP E-Cores |
NPU |
Memory |
PCIe 5.0 Lanes |
Thunderbolt 5 Ports |
Xe3 Cores |
|---|---|---|---|---|---|---|---|---|
|
52 |
Dual |
8P + 16E + Cache x 2 |
4 |
NPU 6 |
Dual Channel |
24 |
2 |
2 |
|
28 |
Dual |
8P + 16E + Cache |
4 |
NPU 6 |
Dual Channel |
24 |
2 |
2 |
|
28 |
Single |
8P + 16E |
4 |
NPU 6 |
Dual Channel |
24 |
2 |
2 |
|
16 |
Single |
4P + 8E |
4 |
NPU 6 |
Dual Channel |
24 |
2 |
2 |
|
8 |
Single |
4P + 0E |
4 |
NPU 6 |
Dual Channel |
24 |
2 |
2 |
*Specifications are unconfirmed by Intel.
Intel is reportedly developing an ambitious lineup of five desktop die packages for its upcoming Nova Lake platform, targeting a wide range of users and workloads. The leaked information reveals that the core configurations will range from eight-core models to an industry-leading 52-core powerhouse.
The octa-core and 16-core chips seemingly use a single compute-die architecture, featuring four high-performance P-cores and either four or eight space-efficient E-cores. The approach aims to deliver a balanced blend of performance and efficiency for mainstream users.
Stepping up, the 28-core variant will reportedly come in both single-die and dual-die formats, maintaining a configuration of eight P-cores and 16 E-cores. The dual-die version, however, stands out by incorporating Intel’s bLLC. At the top of the stack is the flagship Nova Lake chip that’s rumored to have a jaw-dropping 52 cores. This high-end SKU will supposedly employ a dual-die layout, packing a total of 16 P-cores and 32 E-cores, and doubling the bLLC capacity of the 28-core version.
Regardless of the design, all Nova Lake chips have Hub dies integrated with four Arctic Wolf LPE cores, an NPU 6 unit, dual-channel DDR5 support, 24 high-speed PCIe 5.0 lanes, two Thunderbolt 5 ports, and an integrated graphics engine with two Xe3 cores — this is all familiar territory for Intel’s more recent CPU releases. The leak also claims DDR5-8000 support as well as ECC, CUDIMM, and CSODIMM memory modules. In terms of PCIe configurations, Nova Lake supports a discrete graphics card via a PCIe 5.0 x16 expansion slot. There was also mention of processor bifurcation in a 4×4 arrangement and up to three PCIe x4 links from the 900-series chipset. Nova Lake could support up to eight SSDs across the PCIe 5.0, PCIe 4.0, and Thunderbolt 5 connections.
Intel Core Ultra 400S Specifications*
|
Processor |
Cores |
P-cores + E-cores + LP-cores |
Code |
TDP / cTDP (W) |
|---|---|---|---|---|
|
? |
52 |
(8 + 16) x 2 + 4 |
P3DX |
175 |
|
? |
44 |
(8 + 12) x 2 + 4 |
P2DX |
175 |
|
Core Ultra 9 |
28 |
8 + 16 + 4 |
P2D |
125 |
|
Core Ultra 9 |
28 |
8 + 16 + 4 |
P2K |
125 / 65 |
|
Core Ultra 9 |
22 |
6 + 12 + 4 |
P2 |
65 |
|
Core Ultra 7 |
24 |
8 + 12 + 4 |
P1D |
125 |
|
Core Ultra 7 |
24 |
8 + 12 + 4 |
P1K |
125 / 65 |
|
Core Ultra 7 |
16 |
4 + 8 + 4 |
P1 |
65 / 35 |
|
Core Ultra 5 |
22 |
6 + 12 + 4 |
MS2K / MS2KF |
125 / 65 |
|
Core Ultra 5 |
12 |
4 + 4 + 4 |
MS2 |
65 / 35 |
|
Core Ultra 5 |
8 |
4 + 0 + 4 |
MS1 |
65 / 35 |
|
Core Ultra 3 |
6 |
2 + 0 + 4 |
T1 |
65 / 35 |
*Specifications are unconfirmed by Intel.
Intel may pull all the stops on its Nova Lake launch and flood the market with up to 13 SKUs, ranging from the accessible Core Ultra 3 to the elite Core Ultra 9. However, it’s still uncertain how Intel will market the 44- and 52-core SKUs, but these may be the rumored Core X series for the HEDT market, a segment that Intel has abandoned for a while. Additionally, Intel doesn’t usually launch a full stack of CPUs at once. We’ll most likely see a lineup of three to four chips out of the gate if Intel’s previous releases are any indication.
With their unprecedented core counts, the Nova Lake 44- and 52-core chips are set to push thermal and power boundaries to new heights. Intel’s Product Base Power (PBP) for these powerhouse CPUs will reportedly reach up to 175W, a significant 40% increase over the current Core Ultra 9 285K flagship. The incredible jump in processing capability justifies this leap in power consumption, as these chips are expected to offer more than double the core count of Intel’s current offerings.
Examining the leaked Nova Lake SKU list reveals that, at first glance, the upcoming processors largely mirror the Arrow Lake models they are set to replace in both core counts and product positioning. However, Nova Lake includes the LPE cores, adding an extra four cores across the range for improved multitasking and background task handling.
While the headline-grabbing 44- and 52-core chips feature much higher PBP figures, the rest of the lineup maintains familiar power profiles, with unlocked models operating at 125W. Intel will continue to offer 65W and 35W power-optimized variants, catering to a broad range of system builds. Notably, this generation reportedly marks the return of a Core Ultra 3 SKU, filling a gap left by Arrow Lake and broadening access to Nova Lake’s advances for more budget-conscious consumers.
Nova Lake will launch on Intel’s brand-new LGA1954 socket, marking a significant step forward for the company’s desktop platform. According to materials reviewed by VideoCardz, Intel is placing a strong emphasis on the Socket V solution’s reusability and forward compatibility. Socket longevity is important for consumers and system builders alike. By designing the LGA1954 socket to be compatible with multiple generations of processors, Intel is addressing a long-standing criticism regarding the short-lived nature of its recent sockets, such as the LGA1851, which saw limited generational support.
Intel has confirmed that Nova Lake will arrive in late 2026. However, due to the current climate, many believe early 2027 is a more rational time, but we’ll have to wait and see.
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