AMD EPYC 7773X vs AMD EPYC 7451

VS

AMD EPYC 7773X

AMD EPYC 7451

We compared two server CPUs: AMD EPYC 7773X with 64 cores 2.2GHz 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 7773X 's Advantages

Released 4 years and 9 months late

Higher specification of memory (3200 vs 2666)

Newer PCIe version (4 vs 3)

Larger L3 cache size (768MB vs 64MB)

More modern manufacturing process (7nm vs 14nm)

AMD EPYC 7451 's Advantages

Higher base frequency (2.3GHz vs 2.2GHz)

Lower TDP (180W vs 280W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7773X +88%

1656

AMD EPYC 7451

879

Geekbench 6 Multi Core

AMD EPYC 7773X

2811

AMD EPYC 7451 +82%

5142

AMD EPYC 7773X

VS

AMD EPYC 7451

General Parameters

Mar 2022

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Milan-X

Core Architecture

Naples

AMD Socket SP3

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

EPYC (Zen (Naples))

Package

33.2 billions

Transistor Count

4.8 billions

7 nm

Manufacturing Process

14 nm

280 W

Power Consumption

180 W

-

Peak Operating Temperature

81 °C

TSMC

Foundry

GlobalFoundries

8x81 mm²

Die Size

213 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2.2 GHz

Performance Core Base Frequency

2.3 GHz

3.5 GHz

Performance Core Turbo Frequency

3.2 GHz

64

Total Core Count

24

128

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

22.0

Multiplier

23.0

64 K per core

L1 Cache

96 K per core

512 K per core

L2 Cache

512 K per core

768 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

8

Cores per CCD

-

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR4-2666

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

128

PCIe Lanes

-

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