AMD EPYC 9754S vs AMD EPYC 7251

VS

AMD EPYC 9754S

AMD EPYC 7251

We compared two server CPUs: AMD EPYC 9754S with 128 cores 2.25GHz and AMD EPYC 7251 with 8 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9754S 's Advantages

Released 6 years late

Higher specification of memory (4800 vs 2400)

Newer PCIe version (5 vs 3)

Higher base frequency (2.25GHz vs 2.1GHz)

Larger L3 cache size (256MB vs 32MB)

More modern manufacturing process (5nm vs 14nm)

AMD EPYC 7251 's Advantages

Lower TDP (120W vs 360W)

Score

AMD EPYC 9754S

VS

AMD EPYC 7251

General Parameters

Jun 2023

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Bergamo

Core Architecture

Naples

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 4c (Bergamo))

Generation

EPYC (Zen (Naples))

Package

71 billions

Transistor Count

4.8 billions

5 nm

Manufacturing Process

14 nm

360 W

Power Consumption

120 W

-

Peak Operating Temperature

81 °C

TSMC

Foundry

GlobalFoundries

8x73 mm²

Die Size

213 mm²

6 nm

I/O Process Size

-

397 mm²

I/O Die Size

-

CPU Performance

128

Performance Cores

-

128

Performance Core Threads

-

2.25 GHz

Performance Core Base Frequency

2.1 GHz

3.1 GHz

Performance Core Turbo Frequency

2.9 GHz

128

Total Core Count

8

128

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

22.5

Multiplier

21.0

64 KB per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

256 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR4-2400

12

Max Memory Channels

8

460 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9754S

Official Website

-

5

PCIe Version

3

128

PCIe Lanes

-

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