AMD EPYC 7451 vs AMD EPYC 8434P

VS

AMD EPYC 7451

AMD EPYC 8434P

We compared two server CPUs: AMD EPYC 7451 with 24 cores 2.3GHz and AMD EPYC 8434P with 48 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7451 's Advantages

Lower TDP (180W vs 200W)

AMD EPYC 8434P 's Advantages

Released 6 years and 3 months late

Higher specification of memory (4800 vs 2666)

Newer PCIe version (5 vs 3)

Higher base frequency (2.5GHz vs 2.3GHz)

Larger L3 cache size (128MB vs 64MB)

More modern manufacturing process (5nm vs 14nm)

Score

AMD EPYC 7451

VS

AMD EPYC 8434P

General Parameters

Jun 2017

Release Date

Sep 2023

AMD

Manufacturer

AMD

Server

Type

Server

Naples

Core Architecture

Siena

AMD Socket SP3

Socket

AMD Socket SP6

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

EPYC (Zen 4c (Siena))

Package

4.8 billions

Transistor Count

35.5 billions

14 nm

Manufacturing Process

5 nm

180 W

Power Consumption

200 W

81 °C

Peak Operating Temperature

75 °C

GlobalFoundries

Foundry

TSMC

213 mm²

Die Size

4x73 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

397 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.5 GHz

3.2 GHz

Performance Core Turbo Frequency

3.1 GHz

24

Total Core Count

48

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

25.0

96 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

64 MB shared

L3 Cache

128 MB shared

Yes

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2666

Memory Types

DDR5-4800

8

Max Memory Channels

6

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

5

-

PCIe Lanes

96

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