AMD EPYC 9255 vs AMD EPYC 7543

VS

AMD EPYC 9255

AMD EPYC 7543

We compared two server CPUs: AMD EPYC 9255 with 24 cores 3.25GHz and AMD EPYC 7543 with 32 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9255 's Advantages

Released 3 years and 7 months late

Higher specification of memory (6000 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (3.25GHz vs 2.8GHz)

More modern manufacturing process (4nm vs 7nm)

Lower TDP (200W vs 225W)

AMD EPYC 7543 's Advantages

Larger L3 cache size (256MB vs 128MB)

Score

AMD EPYC 9255

VS

AMD EPYC 7543

General Parameters

Oct 2024

Release Date

Mar 2021

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Milan

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

EPYC (Zen 3 (Milan))

Package

33.26 billions

Transistor Count

33.2 billions

4 nm

Manufacturing Process

7 nm

200 W

Power Consumption

225 W

TSMC

Foundry

TSMC

4x70.6 mm²

Die Size

8x81 mm²

6 nm

I/O Process Size

12 nm

mm²

I/O Die Size

416 mm²

CPU Performance

24

Performance Cores

-

48

Performance Core Threads

-

3.25 GHz

Performance Core Base Frequency

2.8 GHz

4.8 GHz

Performance Core Turbo Frequency

3.7 GHz

24

Total Core Count

32

48

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

32.5

Multiplier

28.0

80 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

512 KB per core

128 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

4

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR4-3200

6 TB

Max Memory Size

-

12

Max Memory Channels

8

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9255

Official Website

-

5

PCIe Version

4

128

PCIe Lanes

128

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