AMD EPYC 9554 vs AMD EPYC 9645

VS

AMD EPYC 9554

AMD EPYC 9645

We compared two server CPUs: AMD EPYC 9554 with 64 cores 3.1GHz and AMD EPYC 9645 with 96 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9554 's Advantages

Higher base frequency (3.1GHz vs 2.3GHz)

AMD EPYC 9645 's Advantages

Released 1 years and 11 months late

Higher specification of memory (6000 vs 4800)

More modern manufacturing process (3nm vs 5nm)

Lower TDP (320W vs 360W)

Score

AMD EPYC 9554

VS

AMD EPYC 9645

General Parameters

Nov 2022

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Genoa

Core Architecture

Turin

AMD Socket SP5

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 4 (Genoa))

Generation

EPYC(Zen 5c (Turin))

Package

52.56 billions

Transistor Count

5 nm

Manufacturing Process

3 nm

360 W

Power Consumption

320 W

TSMC

Foundry

TSMC

8x72 mm²

Die Size

mm²

6 nm

I/O Process Size

6 nm

397 mm²

I/O Die Size

mm²

CPU Performance

-

Performance Cores

96

-

Performance Core Threads

192

3.1 GHz

Performance Core Base Frequency

2.3 GHz

3.75 GHz

Performance Core Turbo Frequency

3.7 GHz

64

Total Core Count

96

128

Total Thread Count

192

100 MHz

Bus Frequency

100 MHz

31.0

Multiplier

23.0

64 K per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

1 MB per core

256 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

12

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9645

5

PCIe Version

5

128

PCIe Lanes

128

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