AMD EPYC 9734 vs AMD EPYC 7451

VS

AMD EPYC 9734

AMD EPYC 7451

We compared two server CPUs: AMD EPYC 9734 with 112 cores 2.2GHz 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 9734 's Advantages

Released 6 years late

Higher specification of memory (4800 vs 2666)

Newer PCIe version (5 vs 3)

Larger L3 cache size (256MB vs 64MB)

More modern manufacturing process (5nm vs 14nm)

AMD EPYC 7451 's Advantages

Higher base frequency (2.3GHz vs 2.2GHz)

Lower TDP (180W vs 340W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 9734 +90%

1673

AMD EPYC 7451

879

Geekbench 6 Multi Core

AMD EPYC 9734 +149%

12850

AMD EPYC 7451

5142

AMD EPYC 9734

VS

AMD EPYC 7451

General Parameters

Jun 2023

Release Date

Jun 2017

AMD

Manufacturer

AMD

Server

Type

Server

Bergamo

Core Architecture

Naples

AMD Socket SP5

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

EPYC (Zen 4c (Bergamo))

Generation

EPYC (Zen (Naples))

Package

71 billions

Transistor Count

4.8 billions

5 nm

Manufacturing Process

14 nm

340 W

Power Consumption

180 W

-

Peak Operating Temperature

81 °C

TSMC

Foundry

GlobalFoundries

8x73 mm²

Die Size

213 mm²

6 nm

I/O Process Size

-

397 mm²

I/O Die Size

-

CPU Performance

2.2 GHz

Performance Core Base Frequency

2.3 GHz

3 GHz

Performance Core Turbo Frequency

3.2 GHz

112

Total Core Count

24

224

Total Thread Count

48

100 MHz

Bus Frequency

100 MHz

22.0

Multiplier

23.0

64 KB per core

L1 Cache

96 K per core

1 MB per core

L2 Cache

512 K per core

256 MB shared

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

2

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR4-2666

12

Max Memory Channels

8

460.8 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9734

Official Website

-

5

PCIe Version

3

128

PCIe Lanes

-

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