AMD EPYC 7643 vs Xeon 6972P

VS

AMD EPYC 7643

Intel Xeon 6972P

We compared two server CPUs: AMD EPYC 7643 with 48 cores 2.3GHz and Xeon 6972P with 96 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643 's Advantages

Lower TDP (225W vs 500W)

Xeon 6972P 's Advantages

Released 3 years and 6 months late

Higher specification of memory (8800 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (2.4GHz vs 2.3GHz)

Larger L3 cache size (480MB vs 256MB)

More modern manufacturing process (5nm vs 7nm)

Score

AMD EPYC 7643

VS

Xeon 6972P

General Parameters

Mar 2021

Release Date

Sep 2024

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Granite Rapids

AMD Socket SP3

Socket

Intel Socket 7529

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon 6(Granite Rapids-AP)

Package

33.2 billions

Transistor Count

-

7 nm

Manufacturing Process

5 nm

225 W

Power Consumption

500 W

-

Peak Operating Temperature

95°C

TSMC

Foundry

Intel

8x81 mm²

Die Size

-

12 nm

I/O Process Size

10 nm

416 mm²

I/O Die Size

-

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.4 GHz

3.6 GHz

Performance Core Turbo Frequency

3.9 GHz

48

Total Core Count

96

Total Thread Count

192

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

24.0

64 KB per core

L1 Cache

112 KB per core

512 KB per core

L2 Cache

2 MB per core

256 MB shared

L3 Cache

480 MB shared

No

Unlocked Multiplier

No

6

Cores per CCD

-

2

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR4-3200

Memory Types

DDR5-6400,MRDIMM-8800

-

Max Memory Size

3 TB

8

Max Memory Channels

12

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

Xeon 6972P

4

PCIe Version

5

128

PCIe Lanes

96

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