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AMD first announced the second generation EPYC Xiaolong processor "Rome" in November last year. The core number doubled from 32 core 64 threads of the first generation Xiaolong "Naples" to 64 core 128 threads. The 7Nm process adopted modular design of CPU and IO core separation. Eight 8 core CPU cores and a 14nm process IO core, which integrated PCIe 4.0, DDR memory controller and other IO units.
AMD's 7Nm Rome processor, which was launched in the second half of this year, has not yet been officially released. However, AMD has applied for the certification of the 2nd generation Xiaolong EPYC 7002 series on EAE Union Eurasian Economic Union, so the family fortune of the Rome processor has been leaked.
Reddit netizen Komachi_ENSAKA made a clearer chart version, as follows:
The current generation of Xiaolong is EPYC 7001 series, CPU suffix is 1, suffix 2 is the second generation of Xiaolong processor, it is easy to distinguish. At present, EPYC 7002 series has 20 processors, covering more than 8 cores to 64 cores. There are 3 cores in 64 cores, EPYC 7702P, EPYC 7702, and TDP are 225W, 200W and 200W, respectively.
At present, the frequency and acceleration frequency of EPYC 7002 series processors are uncertain. Generally speaking, the higher the TDP number, the higher the frequency. Therefore, CPUs with low core number and high TDP power consumption do not necessarily lag behind, but may actually have higher frequency.
The most obvious one is the 8-core EPYC 7262 processor, TDP 155W, which is higher than some 16-core or 24-core processors. Its CPU acceleration frequency may exceed 4 GHz or even 4.5 GHz. After all, the current desktop version of 8-core Ruilong 3000 also has 4.6 GHz acceleration frequency under 105W TDP.