Epyc

Epyc
General information
Launched	June 20, 2017
Marketed by	AMD
Designed by	AMD
Common manufacturer(s)	GlobalFoundries (14 nm, 12 nm); TSMC (7 nm, 5 nm);
Performance
Max. CPU clock rate	2.7 GHz to 4.4 GHz
Architecture and classification
Technology node	14 nm to 5 nm
Microarchitecture	Zen microarchitecture; Zen; Zen+; Zen 2; Zen 3; Zen 3+; Zen 4; Zen 4c;
Instruction set	x86-64
Extensions	MMX(+), SSE1, SSE2, SSE3, SSSE3, SSE4a, SSE4.1, SSE4.2, AVX, AVX2, AVX-512 (with Zen 4 and later), FMA3, CVT16/F16C, ABM, BMI1, BMI2, AES, CLMUL, RDRAND, SHA, SME, AMD-V, AMD-Vi;
Physical specifications
Cores	up to 128 cores/256 threads per socket;
Memory (RAM)	up to 12 memory channels at 4.8 GT/s;
Socket(s)	SP3 ; SP5 ; SP6;
Products, models, variants
Core name(s)	Naples; Rome; Milan; Genoa; Bergamo; Siena;
Brand name(s)	Epyc;
History
Predecessor(s)	Opteron

Epyc is a brand of multi-core x86-64 microprocessors designed and sold by AMD, based on the company's Zen microarchitecture. Introduced in June 2017, they are specifically targeted for the server and embedded system markets.

Epyc processors share the same microarchitecture as their regular desktop-grade counterparts, but have enterprise-grade features such as higher core counts, more PCI Express lanes, support for larger amounts of RAM, and larger cache memory. They also support multi-chip and dual-socket system configurations by using the Infinity Fabric interconnect.

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