AMD EPYC 9654 vs AMD EPYC 7643P

VS

AMD EPYC 9654

AMD EPYC 7643P

We compared two server CPUs: AMD EPYC 9654 with 96 cores 2.4GHz and AMD EPYC 7643P with 48 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9654 's Advantages

Higher specification of memory (4800 vs 3200)

Newer PCIe version (5 vs 4)

Higher base frequency (2.4GHz vs 2.3GHz)

Larger L3 cache size (384MB vs 256MB)

More modern manufacturing process (5nm vs 7nm)

AMD EPYC 7643P 's Advantages

Released 10 months late

Lower TDP (225W vs 360W)

Score

AMD EPYC 9654

VS

AMD EPYC 7643P

General Parameters

Nov 2022

Release Date

Sep 2023

AMD

Manufacturer

AMD

Server

Type

Server

Genoa

Core Architecture

Milan

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 4 (Genoa))

Generation

EPYC (Zen 3 (Milan))

Package

78.84 billions

Transistor Count

33.2 billions

5 nm

Manufacturing Process

7 nm

360 W

Power Consumption

225 W

TSMC

Foundry

TSMC

12x72 mm²

Die Size

8x81 mm²

6 nm

I/O Process Size

12 nm

397 mm²

I/O Die Size

416 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.3 GHz

3.7 GHz

Performance Core Turbo Frequency

3.6 GHz

96

Total Core Count

48

192

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

24.0

Multiplier

23.0

64 K per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

512 KB per core

384 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

8

2

SMP

1

Memory Parameters

DDR5-4800

Memory Types

DDR4-3200

12

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

4

128

PCIe Lanes

128

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