AMD EPYC 7473X vs AMD EPYC 9745

VS

AMD EPYC 7473X

AMD EPYC 9745

We compared two server CPUs: AMD EPYC 7473X with 24 cores 2.8GHz and AMD EPYC 9745 with 128 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7473X 's Advantages

Higher base frequency (2.8GHz vs 2.4GHz)

Larger L3 cache size (768MB vs 256MB)

Lower TDP (240W vs 400W)

AMD EPYC 9745 's Advantages

Released 2 years and 7 months late

Higher specification of memory (6000 vs 3200)

Newer PCIe version (5 vs 4)

More modern manufacturing process (3nm vs 7nm)

Score

AMD EPYC 7473X

VS

AMD EPYC 9745

General Parameters

Mar 2022

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Milan-X

Core Architecture

Turin

AMD Socket SP3

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

EPYC(Zen 5c (Turin))

Package

33.2 billions

Transistor Count

7 nm

Manufacturing Process

3 nm

240 W

Power Consumption

400 W

TSMC

Foundry

TSMC

8x81 mm²

Die Size

mm²

12 nm

I/O Process Size

6 nm

416 mm²

I/O Die Size

mm²

CPU Performance

-

Performance Cores

128

-

Performance Core Threads

256

2.8 GHz

Performance Core Base Frequency

2.4 GHz

3.7 GHz

Performance Core Turbo Frequency

3.7 GHz

24

Total Core Count

128

48

Total Thread Count

256

100 MHz

Bus Frequency

100 MHz

28.0

Multiplier

24.0

64 K per core

L1 Cache

80 KB per core

512 K per core

L2 Cache

1 MB per core

768 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

3

Cores per CCD

-

2

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

8

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9745

4

PCIe Version

5

128

PCIe Lanes

128

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