AMD EPYC 8434P vs AMD EPYC 9455P

VS

AMD EPYC 8434P

AMD EPYC 9455P

We compared two server CPUs: AMD EPYC 8434P with 48 cores 2.5GHz and AMD EPYC 9455P 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 8434P 's Advantages

Lower TDP (200W vs 300W)

AMD EPYC 9455P 's Advantages

Released 1 years and 1 months late

Higher specification of memory (6000 vs 4800)

Higher base frequency (3.15GHz vs 2.5GHz)

Larger L3 cache size (192MB vs 128MB)

More modern manufacturing process (4nm vs 5nm)

Score

AMD EPYC 8434P

VS

AMD EPYC 9455P

General Parameters

Sep 2023

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Siena

Core Architecture

Turin

AMD Socket SP6

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen 4c (Siena))

Generation

EPYC (Zen 5 (Turin))

Package

35.5 billions

Transistor Count

5 nm

Manufacturing Process

4 nm

200 W

Power Consumption

300 W

75 °C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

4x73 mm²

Die Size

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

2.5 GHz

Performance Core Base Frequency

3.15 GHz

3.1 GHz

Performance Core Turbo Frequency

4.4 GHz

48

Total Core Count

48

96

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

31.5

64 K per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

1 MB per core

128 MB shared

L3 Cache

192 MB

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-4800

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

6

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9455P

5

PCIe Version

5

96

PCIe Lanes

128

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