Intel Xeon E5645 vs AMD EPYC 9754

VS

Intel Xeon E5645

AMD EPYC 9754

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and AMD EPYC 9754 with 128 cores 2.25GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Higher base frequency (2.4GHz vs 2.25GHz)

Lower TDP (80W vs 360W)

AMD EPYC 9754 's Advantages

Released 13 years and 3 months late

Higher specification of memory (4800 vs 3)

Newer PCIe version (5 vs 2)

Larger L3 cache size (256MB vs 12MB)

More modern manufacturing process (5nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5645

425

AMD EPYC 9754 +302%

1709

Geekbench 6 Multi Core

Intel Xeon E5645

3117

AMD EPYC 9754 +552%

20337

Intel Xeon E5645

VS

AMD EPYC 9754

General Parameters

Mar 2010

Release Date

Jun 2023

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Bergamo

Intel Socket 1366

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

EPYC (Zen 4c (Bergamo))

Package

1.17 billions

Transistor Count

71 billions

32 nm

Manufacturing Process

5 nm

80 W

Power Consumption

360 W

Intel

Foundry

TSMC

239 mm²

Die Size

8x73 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

397 mm²

CPU Performance

-

Performance Cores

128

-

Performance Core Threads

256

2.4 GHz

Performance Core Base Frequency

2.25 GHz

2.666 GHz

Performance Core Turbo Frequency

3.1 GHz

6

Total Core Count

128

12

Total Thread Count

256

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

22.5

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

1 MB per core

12 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR5-4800

3

Max Memory Channels

12

-

Max Memory Bandwidth

460.8 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9754

2

PCIe Version

5

-

PCIe Lanes

128

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