AMD EPYC 7451 vs AMD EPYC 7473X

VS

AMD EPYC 7451

AMD EPYC 7473X

We compared two server CPUs: AMD EPYC 7451 with 24 cores 2.3GHz and AMD EPYC 7473X with 24 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7451 's Advantages

Lower TDP (180W vs 240W)

AMD EPYC 7473X 's Advantages

Released 4 years and 9 months late

Higher specification of memory (3200 vs 2666)

Newer PCIe version (4 vs 3)

Higher base frequency (2.8GHz vs 2.3GHz)

Larger L3 cache size (768MB vs 64MB)

More modern manufacturing process (7nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7451

879

AMD EPYC 7473X +103%

1786

Geekbench 6 Multi Core

AMD EPYC 7451

5142

AMD EPYC 7473X +207%

15829

AMD EPYC 7451

VS

AMD EPYC 7473X

General Parameters

Jun 2017

Release Date

Mar 2022

AMD

Manufacturer

AMD

Server

Type

Server

Naples

Core Architecture

Milan-X

AMD Socket SP3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

EPYC (Zen 3 (Milan))

Package

4.8 billions

Transistor Count

33.2 billions

14 nm

Manufacturing Process

7 nm

180 W

Power Consumption

240 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

TSMC

213 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.8 GHz

3.2 GHz

Performance Core Turbo Frequency

3.7 GHz

24

Total Core Count

24

48

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

28.0

96 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

512 K per core

64 MB shared

L3 Cache

768 MB shared

Yes

Unlocked Multiplier

No

-

Cores per CCD

3

2

SMP

2

Memory Parameters

DDR4-2666

Memory Types

DDR4-3200

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

-

PCIe Lanes

128

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