Xeon Platinum 8256 vs AMD EPYC 9455P

VS

Intel Xeon Platinum 8256

AMD EPYC 9455P

We compared two server CPUs: Xeon Platinum 8256 with 4 cores 3.8GHz and AMD EPYC 9455P with 48 cores 3.15GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon Platinum 8256 's Advantages

Higher base frequency (3.8GHz vs 3.15GHz)

Lower TDP (105W vs 300W)

AMD EPYC 9455P 's Advantages

Released 5 years and 10 months late

Higher specification of memory (6000 vs 4)

Larger L3 cache size (192MB vs 16.5MB)

More modern manufacturing process (4nm vs 14nm)

Score

Xeon Platinum 8256

VS

AMD EPYC 9455P

General Parameters

Dec 2018

Release Date

Oct 2024

Intel

Manufacturer

AMD

Server

Type

Server

Cascade Lake-SP

Core Architecture

Turin

Intel Socket 3647

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Xeon Platinum(Cascade Lake-SP)

Generation

EPYC (Zen 5 (Turin))

Package

8 billions

Transistor Count

14 nm

Manufacturing Process

4 nm

105 W

Power Consumption

300 W

Intel

Foundry

TSMC

-

Die Size

mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

48

-

Performance Core Threads

96

3.8 GHz

Performance Core Base Frequency

3.15 GHz

3.9 GHz

Performance Core Turbo Frequency

4.4 GHz

4

Total Core Count

48

8

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

38.0

Multiplier

31.5

64 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

1 MB per core

16.5 MB shared

L3 Cache

192 MB

No

Unlocked Multiplier

No

8

SMP

1

Memory Parameters

DDR4

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9455P

-

PCIe Version

5

-

PCIe Lanes

128

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