AMD EPYC 9255 vs Xeon E 2456

VS

AMD EPYC 9255

Intel Xeon E-2456

We compared two server CPUs: AMD EPYC 9255 with 24 cores 3.25GHz and Xeon E 2456 with 6 cores 3.3GHz . 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 10 months late

Higher specification of memory (6000 vs 4800)

Larger L3 cache size (128MB vs 18MB)

More modern manufacturing process (4nm vs 10nm)

Xeon E 2456 's Advantages

Higher base frequency (3.3GHz vs 3.25GHz)

Lower TDP (80W vs 200W)

Score

AMD EPYC 9255

VS

Xeon E 2456

General Parameters

Oct 2024

Release Date

Dec 2023

AMD

Manufacturer

Intel

Server

Type

Server

Turin

Core Architecture

Raptor Lake-S

AMD Socket SP5

Socket

Intel Socket 1700

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

Xeon E (Raptor Lake)

Package

33.26 billions

Transistor Count

-

4 nm

Manufacturing Process

10 nm

200 W

Power Consumption

80 W

TSMC

Foundry

Intel

4x70.6 mm²

Die Size

163 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

24

Performance Cores

-

48

Performance Core Threads

-

3.25 GHz

Performance Core Base Frequency

3.3 GHz

4.8 GHz

Performance Core Turbo Frequency

5.1 GHz

24

Total Core Count

6

48

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

32.5

Multiplier

33.0

80 KB per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1.25 MB per core

128 MB shared

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR5-6000

Memory Types

DDR5-4800

6 TB

Max Memory Size

-

12

Max Memory Channels

2

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9255

Official Website

-

5

PCIe Version

5

128

PCIe Lanes

16

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