Intel Xeon Phi 7120A vs AMD EPYC 9255

VS

Intel Xeon Phi 7120A

AMD EPYC 9255

We compared two server CPUs: Intel Xeon Phi 7120A with 61 cores 1.238GHz 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 10 years and 6 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

Intel Xeon Phi 7120A

VS

AMD EPYC 9255

General Parameters

Apr 2014

Release Date

Oct 2024

PCIe

Manufacturer

AMD

Server

Type

Server

Knights Corner

Core Architecture

Turin

PCIe x16

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Corner)

Generation

EPYC(Zen 5 (Turin))

Package

5 billions

Transistor Count

33.26 billions

22 nm

Manufacturing Process

4 nm

300 W

Power Consumption

200 W

Intel

Foundry

TSMC

350 mm²

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

1.238 GHz

Performance Core Base Frequency

3.25 GHz

1.333 GHz

Performance Core Turbo Frequency

4.8 GHz

61

Total Core Count

24

244

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

12.0

Multiplier

32.5

32 K per core

L1 Cache

80 KB per core

512 K per core

L2 Cache

1 MB per core

-

L3 Cache

128 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,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 9255

-

PCIe Version

5

-

PCIe Lanes

128

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