AMD EPYC 7643P vs Xeon W 11955M

VS

AMD EPYC 7643P

Intel Xeon W-11955M

We compared two server CPUs: AMD EPYC 7643P with 48 cores 2.3GHz and Xeon W 11955M with 8 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643P 's Advantages

Released 2 years and 4 months late

Higher base frequency (2.3GHz vs 2.1GHz)

Larger L3 cache size (256MB vs 24MB)

More modern manufacturing process (7nm vs 10nm)

Xeon W 11955M 's Advantages

Lower TDP (35W vs 225W)

Score

AMD EPYC 7643P

VS

Xeon W 11955M

General Parameters

Sep 2023

Release Date

May 2021

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Tiger Lake-H

AMD Socket SP3

Socket

Intel BGA 1787

N/A

Integrated Graphics

UHD Graphics 750

EPYC (Zen 3 (Milan))

Generation

Xeon (Tiger Lake-H)

Package

33.2 billions

Transistor Count

-

7 nm

Manufacturing Process

10 nm

225 W

Power Consumption

35 W

-

Peak Operating Temperature

72 °C

TSMC

Foundry

Intel

8x81 mm²

Die Size

190 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.1 GHz

3.6 GHz

Performance Core Turbo Frequency

5 GHz

48

Total Core Count

8

96

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

21.0

64 KB per core

L1 Cache

80 KB per core

512 KB per core

L2 Cache

1.25 MB per core

256 MB shared

L3 Cache

24 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

-

1

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR4-3200

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

4

128

PCIe Lanes

20

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