AMD EPYC 9745 vs AMD EPYC 7551

VS

AMD EPYC 9745

AMD EPYC 7551

We compared two server CPUs: AMD EPYC 9745 with 128 cores 2.4GHz and AMD EPYC 7551 with 32 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

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 2GHz)

Larger L3 cache size (256MB vs 64MB)

More modern manufacturing process (3nm vs 14nm)

AMD EPYC 7551 's Advantages

Lower TDP (180W vs 400W)

Score

AMD EPYC 9745

VS

AMD EPYC 7551

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

400 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

128

Performance Cores

-

256

Performance Core Threads

-

2.4 GHz

Performance Core Base Frequency

2 GHz

3.7 GHz

Performance Core Turbo Frequency

3 GHz

128

Total Core Count

32

256

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

24.0

Multiplier

20.0

80 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

DDR5-6000

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 9745

Official Website

-

5

PCIe Version

3

128

PCIe Lanes

-

Related CPU Comparisons

1

AMD EPYC 9745 vs Intel Xeon E3 1275 v3

2

AMD EPYC 9745 vs AMD Ryzen Embedded 8845HS

3

AMD EPYC 9745 vs Intel Xeon E5649

4

AMD EPYC 9745 vs Xeon w5 2545

5

AMD EPYC 9745 vs Intel Xeon E5 2695 v2

6

AMD EPYC 9745 vs Xeon Platinum 8260

7

AMD EPYC 9745 vs Intel Xeon E5 2637

8

AMD EPYC 9745 vs Opteron 4386

9

AMD EPYC 9745 vs Intel Xeon E5 4669 v3

10

AMD EPYC 9745 vs Intel Xeon Platinum 8380

Related News

1

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

2

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

3

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

4

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

5

CXMT Reportedly Achieves 80% Yield in DDR5 Production

6

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

7

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

8

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

9

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

10

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