AMD EPYC 7643

This is a processor manufactured by AMD using the 7nm fabrication process, designed for Server platform, released on Mar 2021. It features a design of 48 cores to achieve 48 cores and 96 threads, with an ultra-high specification. The base frequency is 2.3GHz, with a maximum turbo boost frequency of 3.6GHz,TDP of 225W, L3 cache high up to 256 MB.It uses the AMD Socket SP3 socket.

General Parameters

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Release Date

Mar 2021

Manufacturer

AMD

Type

Server

Core Architecture

Milan

Integrated Graphics

N/A

Generation

EPYC (Zen 3 (Milan))

Package

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Transistor Count

33.2 billions

Manufacturing Process

7 nm

Socket

AMD Socket SP3

Power Consumption

225 W

Foundry

TSMC

Die Size

8x81 mm²

I/O Process Size

12 nm

I/O Die Size

416 mm²

Package

FCLGA-4094

CPU Performance

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Performance Core Base Frequency

2.3 GHz

Performance Core Turbo Frequency

3.6 GHz

Total Core Count

48

Total Thread Count

96

Bus Frequency

100MHz

Multiplier

23.0

L1 Cache

64 KB per core

L2 Cache

512 KB per core

L3 Cache

256 MB shared

Unlocked Multiplier

No

CCDs

8

Cores per CCD

6

SMP

2

Memory Parameters

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Memory Types

DDR4-3200

Max Memory Channels

8

ECC Memory Support

Yes

Miscellaneous

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PCIe Version

4

PCIe Lanes

128

Rankings

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Geekbench 6 Single Core

Intel Core i9 10900T 10C 20T @ 1.9 GHz

1699

Xeon E 2278G 8C 16T @ 3.4 GHz

1699

AMD Ryzen Threadripper 3960X 24C 48T @ 3.8 GHz

1698

AMD EPYC 7643 48C 96T @ 2.3 GHz

1696

Intel Core i9 10920X 12C 24T @ 3.5 GHz

1696

AMD EPYC 8534P 64C 128T @ 2.3 GHz

1689

AMD EPYC 7543 32C 64T @ 2.8 GHz

1688

Geekbench 6 Multi Core

AMD Ryzen 9 6900HX 8C 16T @ 3.3 GHz

10086

Xeon W 1370P 8C 16T @ 3.6 GHz

10069

AMD EPYC 8534P 64C 128T @ 2.3 GHz

10011

AMD EPYC 7643 48C 96T @ 2.3 GHz

9939

AMD Ryzen Embedded 8645HS 6C 12T @ 4.3 GHz

9933

Intel Core i5 12600H 12C 16T @ 2.7 GHz

9908

AMD Ryzen 5 8645HS 6C 12T @ 4.3 GHz

9891

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