AMD EPYC 9255 vs Intel Xeon Phi 7120X

VS

AMD EPYC 9255

Intel Xeon Phi 7120X

We compared two server CPUs: AMD EPYC 9255 with 24 cores 3.25GHz and Intel Xeon Phi 7120X with 61 cores 1.238GHz . 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 11 years and 4 months late

Higher specification of memory (6000 vs 4)

Higher base frequency (3.25GHz vs 1.238GHz)

More modern manufacturing process (4nm vs 22nm)

Lower TDP (200W vs 300W)

Score

AMD EPYC 9255

VS

Intel Xeon Phi 7120X

General Parameters

Oct 2024

Release Date

Jun 2013

AMD

Manufacturer

PCIe

Server

Type

Server

Turin

Core Architecture

Knights Corner

AMD Socket SP5

Socket

PCIe x16

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

Xeon Phi (Knights Corner)

Package

33.26 billions

Transistor Count

5 billions

4 nm

Manufacturing Process

22 nm

200 W

Power Consumption

300 W

TSMC

Foundry

Intel

4x70.6 mm²

Die Size

350 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

1.238 GHz

4.8 GHz

Performance Core Turbo Frequency

1.333 GHz

24

Total Core Count

61

48

Total Thread Count

244

100 MHz

Bus Frequency

100 MHz

32.5

Multiplier

12.0

80 KB per core

L1 Cache

32 K per core

1 MB per core

L2 Cache

512 K per core

128 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR5-6000

Memory Types

DDR3,DDR4

6 TB

Max Memory Size

-

12

Max Memory Channels

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9255

Official Website

-

5

PCIe Version

-

128

PCIe Lanes

-

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