AMD EPYC 9645 vs AMD EPYC 9754S

VS

AMD EPYC 9645

AMD EPYC 9754S

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz and AMD EPYC 9754S with 128 cores 2.25GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9645 '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 (2.3GHz vs 2.25GHz)

More modern manufacturing process (3nm vs 5nm)

Lower TDP (320W vs 360W)

Score

AMD EPYC 9645

VS

AMD EPYC 9754S

General Parameters

Oct 2024

Release Date

Jun 2023

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Bergamo

AMD Socket SP5

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

EPYC (Zen 4c (Bergamo))

Package

Transistor Count

71 billions

3 nm

Manufacturing Process

5 nm

320 W

Power Consumption

360 W

TSMC

Foundry

TSMC

mm²

Die Size

8x73 mm²

6 nm

I/O Process Size

6 nm

mm²

I/O Die Size

397 mm²

CPU Performance

96

Performance Cores

128

192

Performance Core Threads

128

2.3 GHz

Performance Core Base Frequency

2.25 GHz

3.7 GHz

Performance Core Turbo Frequency

3.1 GHz

96

Total Core Count

128

192

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

22.5

80 KB per core

L1 Cache

64 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

DDR5-6000

Memory Types

DDR5-4800

6 TB

Max Memory Size

-

12

Max Memory Channels

12

576 GB/s

Max Memory Bandwidth

460 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9645

Official Website

AMD EPYC 9754S

5

PCIe Version

5

128

PCIe Lanes

128

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