Epyc information

Epyc
General information
Launched	June 20, 2017; 6 years ago
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; Zen 5;
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 (stylized as 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.^[1]

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.

^ Cutress, Ian (May 30, 2017). "Computex 2017: AMD Press Event Live Blog". AnandTech. Retrieved November 7, 2022.

[1] Cutress, Ian (May 30, 2017). "Computex 2017: AMD Press Event Live Blog". AnandTech. Retrieved November 7, 2022.

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General information

Launched	June 20, 2017; 6 years ago (2017-06-20)
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 Zen 5
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