AMD EPYC 9255 vs AMD EPYC 9555

VS

AMD EPYC 9255

AMD EPYC 9555

We compared two server CPUs: AMD EPYC 9255 with 24 cores 3.25GHz and AMD EPYC 9555 with 64 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9255 's Advantages

Higher base frequency (3.25GHz vs 3.2GHz)

Lower TDP (200W vs 360W)

AMD EPYC 9555 's Advantages

Larger L3 cache size (256MB vs 128MB)

Score

AMD EPYC 9255

VS

AMD EPYC 9555

General Parameters

Oct 2024

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Turin

AMD Socket SP5

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

EPYC(Zen 5 (Turin))

Package

33.26 billions

Transistor Count

66.52 billions

4 nm

Manufacturing Process

4 nm

200 W

Power Consumption

360 W

TSMC

Foundry

TSMC

4x70.6 mm²

Die Size

8x70.6 mm²

6 nm

I/O Process Size

6 nm

mm²

I/O Die Size

mm²

CPU Performance

24

Performance Cores

64

48

Performance Core Threads

128

3.25 GHz

Performance Core Base Frequency

3.2 GHz

4.8 GHz

Performance Core Turbo Frequency

4.4 GHz

24

Total Core Count

64

48

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

32.5

Multiplier

32.0

80 KB per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1 MB per core

128 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR5-6000

6 TB

Max Memory Size

6 TB

12

Max Memory Channels

12

576 GB/s

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9255

Official Website

AMD EPYC 9555

5

PCIe Version

5

128

PCIe Lanes

128

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