Intel Xeon Platinum 8351N vs AMD EPYC 9255

VS

Intel Xeon Platinum 8351N

AMD EPYC 9255

We compared two server CPUs: Intel Xeon Platinum 8351N with 36 cores 2.4GHz and AMD EPYC 9255 with 24 cores 3.25GHz . 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 6 months late

Higher specification of memory (6000 vs 2933)

Newer PCIe version (5 vs 4)

Higher base frequency (3.25GHz vs 2.4GHz)

Larger L3 cache size (128MB vs 54MB)

More modern manufacturing process (4nm vs 10nm)

Lower TDP (200W vs 225W)

Score

Intel Xeon Platinum 8351N

VS

AMD EPYC 9255

General Parameters

Apr 2021

Release Date

Oct 2024

Intel

Manufacturer

AMD

Server

Type

Server

Ice Lake-SP

Core Architecture

Turin

Intel Socket 4189

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Xeon Platinum (Ice Lake-SP)

Generation

EPYC(Zen 5 (Turin))

Package

-

Transistor Count

33.26 billions

10 nm

Manufacturing Process

4 nm

225 W

Power Consumption

200 W

76 °C

Peak Operating Temperature

-

Intel

Foundry

TSMC

-

Die Size

4x70.6 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

24

-

Performance Core Threads

48

2.4 GHz

Performance Core Base Frequency

3.25 GHz

3.5 GHz

Performance Core Turbo Frequency

4.8 GHz

36

Total Core Count

24

72

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

24.0

Multiplier

32.5

64 K per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1 MB per core

54 MB shared

L3 Cache

128 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR4-2933

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

8

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9255

4

PCIe Version

5

64

PCIe Lanes

128

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