AMD EPYC 7443 vs AMD EPYC 9555P

VS

AMD EPYC 7443

AMD EPYC 9555P

We compared two server CPUs: AMD EPYC 7443 with 24 cores 2.85GHz and AMD EPYC 9555P with 64 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7443 's Advantages

Lower TDP (200W vs 360W)

AMD EPYC 9555P 's Advantages

Released 3 years and 7 months late

Higher specification of memory (6000 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (3.2GHz vs 2.85GHz)

Larger L3 cache size (256MB vs 128MB)

More modern manufacturing process (4nm vs 7nm)

Score

AMD EPYC 7443

VS

AMD EPYC 9555P

General Parameters

Mar 2021

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Turin

AMD Socket SP3

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

EPYC(Zen 5 (Turin))

Package

16.6 billions

Transistor Count

66.52 billions

7 nm

Manufacturing Process

4 nm

200 W

Power Consumption

360 W

TSMC

Foundry

TSMC

4x81 mm²

Die Size

8x70.6 mm²

12 nm

I/O Process Size

6 nm

416 mm²

I/O Die Size

mm²

CPU Performance

-

Performance Cores

64

-

Performance Core Threads

128

2.85 GHz

Performance Core Base Frequency

3.2 GHz

4 GHz

Performance Core Turbo Frequency

4.4 GHz

24

Total Core Count

64

48

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

28.5

Multiplier

32.0

64 KB per core

L1 Cache

80 KB per core

512 KB per core

L2 Cache

1 MB per core

128 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

6

Cores per CCD

-

2

SMP

1

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 9555P

4

PCIe Version

5

128

PCIe Lanes

128

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