AMD Epyc 7643

The AMD Epyc 7643 operates with:

CPU Cores 48.

CPU Threads: 96.

Performance-enhancing, system-enhancing technology that works faster and saves battery with:

Turbo: 3.60 GHz base 3.40 GHz all cores.

TDP: 280 W.

The processor is attached to:

CPU socket: SP3.

This version includes

256.00 MB of L3 cache on one chip

Supports 8 memory channels to support DDR4-3200 RAM and features 4.0 PCIe Gen 128 lanes.

Tjunction keeps below -- degrees C.

In particular, Milan (Zen 3) Architecture is enhanced with:

Technology: 7 nm

Virtualization AMD-V, SVM.

The product was released on Q1/2021.

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CPU generation and family

Name:

AMD Epyc 7643

Family:

AMD Epyc

CPU group:

AMD Epyc 7003

Predecessor:

AMD Epyc 7642

Segment:

Desktop / Server

Generation:

Successor:

CPU Cores and Base Frequency

Frequency:

2.30 GHz

Turbo (1 Core):

3.60 GHz

Turbo (64 Cores)::

Hyperthreading:

Yes

Core architecture:

normal

CPU Cores:

CPU Threads:

Overclocking:

Memory & PCIe

Memory type:

DDR4-3200

PCIe version:

4.0

Memory channels:

PCIe version:

4.0

PCIe lanes:

128

Encryption

AES-NI:

Yes

Internal Graphics

Memory type:

DDR4-3200

GPU name:

no iGPU

GPU frequency:

GPU (Turbo):

No turbo

Generation:

DirectX Version:

Execution units:

Shader:

Max memory:

Max. displays:

Technology:

7 nm

Release date:

Technical details

Instruction set (ISA):

x86-64 (64 bit)

Architecture:

Milan (Zen 3)

L2-Cache:

Virtualization:

AMD-V, SVM

L3-Cache:

256.00 MB

Release date:

Q1/2021

Socket:

SP3

Thermal Management

TDP (PL1):

280 W

TDP (PL2):

TDP Up:

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