AMD EPYC 9755 vs AMD EPYC 7451

VS

AMD EPYC 9755

AMD EPYC 7451

We compared two server CPUs: AMD EPYC 9755 with 128 cores 2.7GHz and AMD EPYC 7451 with 24 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9755 's Advantages

Released 7 years and 4 months late

Higher specification of memory (6000 vs 2666)

Newer PCIe version (5 vs 3)

Higher base frequency (2.7GHz vs 2.3GHz)

Larger L3 cache size (512MB vs 64MB)

More modern manufacturing process (4nm vs 14nm)

AMD EPYC 7451 's Advantages

Lower TDP (180W vs 500W)

Score

AMD EPYC 9755

VS

AMD EPYC 7451

General Parameters

Oct 2024

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Naples

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

EPYC (Zen (Naples))

Package

133.04 billions

Transistor Count

4.8 billions

4 nm

Manufacturing Process

14 nm

500 W

Power Consumption

180 W

-

Peak Operating Temperature

81 °C

TSMC

Foundry

GlobalFoundries

16x70.6 mm²

Die Size

213 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

128

Performance Cores

-

256

Performance Core Threads

-

2.7 GHz

Performance Core Base Frequency

2.3 GHz

4.1 GHz

Performance Core Turbo Frequency

3.2 GHz

128

Total Core Count

24

256

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

27.0

Multiplier

23.0

80 KB per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

512 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR4-2666

6 TB

Max Memory Size

-

12

Max Memory Channels

8

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9755

Official Website

-

5

PCIe Version

3

128

PCIe Lanes

-

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