AMD EPYC 9754S vs AMD EPYC 9455

VS

AMD EPYC 9754S

AMD EPYC 9455

We compared two server CPUs: AMD EPYC 9754S with 128 cores 2.25GHz 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 9754S 's Advantages

Larger L3 cache size (256MB vs 192MB)

AMD EPYC 9455 's Advantages

Released 1 years and 4 months late

Higher specification of memory (6000 vs 4800)

Larger memory bandwidth (576GB/s vs 460GB/s)

Higher base frequency (3.15GHz vs 2.25GHz)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (300W vs 360W)

Score

AMD EPYC 9754S

VS

AMD EPYC 9455

General Parameters

Jun 2023

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Bergamo

Core Architecture

Turin

AMD Socket SP5

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 4c (Bergamo))

Generation

EPYC(Zen 5 (Turin))

Package

71 billions

Transistor Count

49.89 billions

5 nm

Manufacturing Process

4 nm

360 W

Power Consumption

300 W

TSMC

Foundry

TSMC

8x73 mm²

Die Size

6x70.6 mm²

6 nm

I/O Process Size

6 nm

397 mm²

I/O Die Size

mm²

CPU Performance

128

Performance Cores

48

128

Performance Core Threads

96

2.25 GHz

Performance Core Base Frequency

3.15 GHz

3.1 GHz

Performance Core Turbo Frequency

4.4 GHz

128

Total Core Count

48

128

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

22.5

Multiplier

31.5

64 KB 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

460 GB/s

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9754S

Official Website

AMD EPYC 9455

5

PCIe Version

5

128

PCIe Lanes

128

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