AMD EPYC 7643P vs AMD EPYC 9124

VS

AMD EPYC 7643P

AMD EPYC 9124

We compared two server CPUs: AMD EPYC 7643P with 48 cores 2.3GHz and AMD EPYC 9124 with 16 cores 3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7643P 's Advantages

Released 10 months late

Larger L3 cache size (256MB vs 64MB)

AMD EPYC 9124 's Advantages

Higher specification of memory (4800 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (3GHz vs 2.3GHz)

More modern manufacturing process (5nm vs 7nm)

Lower TDP (200W vs 225W)

Score

AMD EPYC 7643P

VS

AMD EPYC 9124

General Parameters

Sep 2023

Release Date

Nov 2022

AMD

Manufacturer

AMD

Server

Type

Server

Milan

Core Architecture

Genoa

AMD Socket SP3

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

EPYC (Zen 4 (Genoa))

Package

33.2 billions

Transistor Count

26.28 billions

7 nm

Manufacturing Process

5 nm

225 W

Power Consumption

200 W

TSMC

Foundry

TSMC

8x81 mm²

Die Size

4x72 mm²

12 nm

I/O Process Size

6 nm

416 mm²

I/O Die Size

397 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

3 GHz

3.6 GHz

Performance Core Turbo Frequency

3.7 GHz

48

Total Core Count

16

96

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

30.0

64 KB per core

L1 Cache

64 K per core

512 KB per core

L2 Cache

1 MB per core

256 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

-

1

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR5-4800

8

Max Memory Channels

12

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

5

128

PCIe Lanes

128

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