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The actual processor family is derived from the Family ID and Extended Family ID fields. If the Family ID field is equal to 15, the family is equal to the sum of the Extended Family ID and the Family ID fields. Otherwise, the family is equal to the value of the Family ID field. The meaning of the Processor Type field is given in the table below.
CPUID model numbers are 30h-3Fh. AMD Excavator Family 15h (4th-gen) – fourth-generation Bulldozer (Final optimisation). CPUID model numbers are 60h-6Fh, later updated revisions have model numbers 70h-7Fh. AMD Zen – family of microarchitectures. The successor to Bulldozer. Included in the Ryzen and Epyc CPU lines.
CPU-Z is more comprehensive in virtually all areas compared to the tools provided in the Windows to identify various hardware components, and thus assists in identifying certain components without the need of opening the case; particularly the core revision and RAM clock rate.
In the model 23 (cpuid 01067xh), Intel started marketing stepping with full (6 MB) and reduced (3 MB) L2 cache at the same time, and giving them identical cpuid values. All steppings have the new SSE4.1 instructions. Stepping C1/M1 was a bug fix version of C0/M0 specifically for quad core processors and only used in those.
Zen 5 was designed with both 4nm and 3nm processes in mind. This acted as an insurance policy for AMD in the event that TSMC's mass production of its N3 nodes were to face delays, significant wafer defect issues or capacity issues.
family Model Cores Clock rate (GHz) Integrated graphics Cache TDP (W) Price (USD) Socket Launch Base Turbo 2.0 Max. Turbo Turbo max. 3.0 GPU Clock rate, max. EUs L2 cache Smart cache Base Turbo P E Threads P E P E; Core i9: 13900KS 8 16 32 3.2 2.4 5.4 4.3 6.0 5.8 1.65 GHz 32 32 MB 36 MB 150 253 $700 LGA 1700: Q1 2023 13900K 3.0 2.2 5.4 4.3 5.8 ...
The P-cores and E-cores on early versions of Alder Lake CPUs reported different CPUID models. This has caused issues with digital rights management systems that perceive the P-cores and E-cores as being separate computers, and falsely enforce license restrictions preventing a particular piece of software from being executed on more than one ...
Zen 4 is the name for a CPU microarchitecture designed by AMD, released on September 27, 2022. [4] [5] [6] It is the successor to Zen 3 and uses TSMC's N6 process for I/O dies, N5 process for CCDs, and N4 process for APUs. [7]