AMD EPYC 9255 vs AMD EPYC 9684X

VS

AMD EPYC 9255

AMD EPYC 9684X

We compared two server CPUs: AMD EPYC 9255 with 24 cores 3.25GHz and AMD EPYC 9684X with 96 cores 2.55GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9255 's Advantages

Released 1 years and 4 months late

Higher specification of memory (6000 vs 4800)

Larger memory bandwidth (576GB/s vs 460.8GB/s)

Higher base frequency (3.25GHz vs 2.55GHz)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (200W vs 400W)

AMD EPYC 9684X 's Advantages

Larger L3 cache size (1152MB vs 128MB)

Score

AMD EPYC 9255

VS

AMD EPYC 9684X

General Parameters

Oct 2024

Release Date

Jun 2023

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Genoa-X

AMD Socket SP5

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

EPYC (Zen 4 (Genoa))

Package

33.26 billions

Transistor Count

135.24 billions

4 nm

Manufacturing Process

5 nm

200 W

Power Consumption

400 W

TSMC

Foundry

TSMC

4x70.6 mm²

Die Size

12x72 mm²

6 nm

I/O Process Size

6 nm

mm²

I/O Die Size

397 mm²

CPU Performance

24

Performance Cores

-

48

Performance Core Threads

-

3.25 GHz

Performance Core Base Frequency

2.55 GHz

4.8 GHz

Performance Core Turbo Frequency

3.7 GHz

24

Total Core Count

96

48

Total Thread Count

192

100 MHz

Bus Frequency

100 MHz

32.5

Multiplier

25.5

80 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

128 MB shared

L3 Cache

1152 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

460.8 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9255

Official Website

AMD EPYC 9684X

5

PCIe Version

5

128

PCIe Lanes

128

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