AMD EPYC 9554 vs AMD EPYC 9455

VS

AMD EPYC 9554

AMD EPYC 9455

We compared two server CPUs: AMD EPYC 9554 with 64 cores 3.1GHz and AMD EPYC 9455 with 48 cores 3.15GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9554 's Advantages

Larger L3 cache size (256MB vs 192MB)

AMD EPYC 9455 's Advantages

Released 1 years and 11 months late

Higher specification of memory (6000 vs 4800)

Higher base frequency (3.15GHz vs 3.1GHz)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (300W vs 360W)

Score

AMD EPYC 9554

VS

AMD EPYC 9455

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 5 (Turin))

Package

52.56 billions

Transistor Count

49.89 billions

5 nm

Manufacturing Process

4 nm

360 W

Power Consumption

300 W

TSMC

Foundry

TSMC

8x72 mm²

Die Size

6x70.6 mm²

6 nm

I/O Process Size

6 nm

397 mm²

I/O Die Size

mm²

CPU Performance

-

Performance Cores

48

-

Performance Core Threads

96

3.1 GHz

Performance Core Base Frequency

3.15 GHz

3.75 GHz

Performance Core Turbo Frequency

4.4 GHz

64

Total Core Count

48

128

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

31.0

Multiplier

31.5

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

192 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 9455

5

PCIe Version

5

128

PCIe Lanes

128

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