Intel Core Ultra 400D/400DX First Appearance: 108-288MB Cache Battle Against AMD X3D
Intel's next-generation desktop processor, NovaLake-S, will be equipped with up to 288MB of L3 cache, directly challenging the AMD X3D series for the first time. According to the latest information, Intel's high-cache versions will be separately named Core Ultra 400DX and Core Ultra 400D series to distinguish them.

Currently, five versions are tentatively planned, with the two top-end versions featuring 52/44 cores belonging to the Core Ultra 400DX series, note that they do not include the 9/7/5 series, while the remaining three belong to the Core Ultra 9/7 400D series.
However, please note that the specific naming is not yet finalized and is subject to change at any time.
There are two dual-chiplet configurations:
52 cores: 16P+32E+4LPE, 288MB, which is the full-spec ultimate version.
44 cores: 16P+24E+4LPE, 264MB, disabling two groups of 8 E-cores.
There are three single-chiplet configurations:
28 cores: 8P+16E+4LPE, 144MB, also full-spec.
24 cores: 8P+12E+4LPE, 132MB.
22 cores: 6P+12E+4LPE, 108MB.
Among them, each P-core corresponds to 12MB of L3 cache, while E-cores still share 12MB of L3 cache per group of four.
However, please note that this L3 cache is only the last-level three cache and does not include the second-level cache.
There are at least seven other models, or seven configurations, without L3 cache, including:
28 cores (8+16+4), 24 cores (8+12+4), 22 cores (6+12+4), 16 cores (4+8+4), 12 cores (4+4+4), 8 cores (4+0+4), 6 cores (2+0+4).