AMD EPYC 7451 vs AMD EPYC 9745

VS

AMD EPYC 7451

AMD EPYC 9745

We compared two server CPUs: AMD EPYC 7451 with 24 cores 2.3GHz and AMD EPYC 9745 with 128 cores 2.4GHz . 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 400W)

AMD EPYC 9745 's Advantages

Released 7 years and 4 months late

Higher specification of memory (6000 vs 2666)

Newer PCIe version (5 vs 3)

Higher base frequency (2.4GHz vs 2.3GHz)

Larger L3 cache size (256MB vs 64MB)

More modern manufacturing process (3nm vs 14nm)

Score

AMD EPYC 7451

VS

AMD EPYC 9745

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

400 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

128

-

Performance Core Threads

256

2.3 GHz

Performance Core Base Frequency

2.4 GHz

3.2 GHz

Performance Core Turbo Frequency

3.7 GHz

24

Total Core Count

128

48

Total Thread Count

256

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

24.0

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

256 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 9745

3

PCIe Version

5

-

PCIe Lanes

128

Related CPU Comparisons

1

AMD EPYC 7451 vs Intel Xeon Platinum 8352M

2

AMD EPYC 7451 vs Intel Xeon Platinum 8480

3

AMD EPYC 7451 vs Intel Xeon E3 1230L v3

4

AMD EPYC 7451 vs AMD EPYC 7452

5

AMD EPYC 7451 vs AMD EPYC 7663

6

AMD EPYC 7451 vs Intel Xeon E5 2630L

7

AMD EPYC 7451 vs Intel Xeon E3 1240L v5

8

AMD EPYC 7451 vs Intel Xeon E5 2623 v3

9

AMD EPYC 7451 vs Intel Xeon E3 1283L v4

10

AMD EPYC 7451 vs Xeon D 2733NT

Related News

1

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

2

CXMT Reportedly Achieves 80% Yield in DDR5 Production

3

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

4

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

5

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

6

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

7

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

8

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

9

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

10

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip