AMD EPYC 7451 vs AMD EPYC 9965

VS

AMD EPYC 7451

AMD EPYC 9965

We compared two server CPUs: AMD EPYC 7451 with 24 cores 2.3GHz and AMD EPYC 9965 with 192 cores 2.25GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7451 's Advantages

Higher base frequency (2.3GHz vs 2.25GHz)

Lower TDP (180W vs 500W)

AMD EPYC 9965 's Advantages

Released 7 years and 4 months late

Higher specification of memory (6000 vs 2666)

Newer PCIe version (5 vs 3)

Larger L3 cache size (384MB vs 64MB)

More modern manufacturing process (3nm vs 14nm)

Score

AMD EPYC 7451

VS

AMD EPYC 9965

General Parameters

Jun 2017

Release Date

Oct 2024

AMD

Manufacturer

AMD

Server

Type

Server

Naples

Core Architecture

Turin

AMD Socket SP3

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

EPYC(Zen 5c (Turin))

Package

4.8 billions

Transistor Count

14 nm

Manufacturing Process

3 nm

180 W

Power Consumption

500 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

TSMC

213 mm²

Die Size

mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

192

-

Performance Core Threads

384

2.3 GHz

Performance Core Base Frequency

2.25 GHz

3.2 GHz

Performance Core Turbo Frequency

3.7 GHz

24

Total Core Count

192

48

Total Thread Count

384

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

22.5

96 K per core

L1 Cache

80 KB per core

512 K per core

L2 Cache

1 MB per core

64 MB shared

L3 Cache

384 MB shared

Yes

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-2666

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

8

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9965

3

PCIe Version

5

-

PCIe Lanes

128

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