AMD EPYC 9255 vs Opteron 43CX EE

VS

AMD EPYC 9255

AMD Opteron 43CX EE

We compared two server CPUs: AMD EPYC 9255 with 24 cores 3.25GHz and Opteron 43CX EE with 4 cores 2.2GHz . 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 11 years and 10 months late

Higher specification of memory (6000 vs 3)

Higher base frequency (3.25GHz vs 2.2GHz)

Larger L3 cache size (128MB vs 8MB)

More modern manufacturing process (4nm vs 32nm)

Opteron 43CX EE 's Advantages

Lower TDP (35W vs 200W)

Score

AMD EPYC 9255

VS

Opteron 43CX EE

General Parameters

Oct 2024

Release Date

Dec 2012

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Seoul

AMD Socket SP5

Socket

AMD Socket C32

N/A

Integrated Graphics

N/A

EPYC(Zen 5 (Turin))

Generation

Opteron (Seoul)

Package

33.26 billions

Transistor Count

1.2 billions

4 nm

Manufacturing Process

32 nm

200 W

Power Consumption

35 W

TSMC

Foundry

-

4x70.6 mm²

Die Size

315 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

24

Performance Cores

-

48

Performance Core Threads

-

3.25 GHz

Performance Core Base Frequency

2.2 GHz

4.8 GHz

Performance Core Turbo Frequency

3 GHz

24

Total Core Count

4

48

Total Thread Count

4

100 MHz

Bus Frequency

200 MHz

32.5

Multiplier

11.0

80 KB per core

L1 Cache

192 K

1 MB per core

L2 Cache

4 MB

128 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR3

6 TB

Max Memory Size

-

12

Max Memory Channels

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

No

Miscellaneous

AMD EPYC 9255

Official Website

-

5

PCIe Version

-

128

PCIe Lanes

-

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