AMD EPYC 9965 vs AMD EPYC 7451

VS

AMD EPYC 9965

AMD EPYC 7451

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

Main Differences

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)

AMD EPYC 7451 's Advantages

Higher base frequency (2.3GHz vs 2.25GHz)

Lower TDP (180W vs 500W)

Score

AMD EPYC 9965

VS

AMD EPYC 7451

General Parameters

Oct 2024

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Turin

Core Architecture

Naples

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

EPYC (Zen (Naples))

Package

Transistor Count

4.8 billions

3 nm

Manufacturing Process

14 nm

500 W

Power Consumption

180 W

-

Peak Operating Temperature

81 °C

TSMC

Foundry

GlobalFoundries

mm²

Die Size

213 mm²

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

192

Performance Cores

-

384

Performance Core Threads

-

2.25 GHz

Performance Core Base Frequency

2.3 GHz

3.7 GHz

Performance Core Turbo Frequency

3.2 GHz

192

Total Core Count

24

384

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

22.5

Multiplier

23.0

80 KB per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

384 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR4-2666

6 TB

Max Memory Size

-

12

Max Memory Channels

8

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9965

Official Website

-

5

PCIe Version

3

128

PCIe Lanes

-

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