Intel Xeon E5640 vs AMD EPYC 9745

VS

Intel Xeon E5640

AMD EPYC 9745

We compared two server CPUs: Intel Xeon E5640 with 4 cores 2.666GHz 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

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 2.4GHz)

Lower TDP (80W vs 400W)

AMD EPYC 9745 's Advantages

Released 14 years and 7 months late

Higher specification of memory (6000 vs 3)

Newer PCIe version (5 vs 2)

Larger L3 cache size (256MB vs 12MB)

More modern manufacturing process (3nm vs 32nm)

Score

Intel Xeon E5640

VS

AMD EPYC 9745

General Parameters

Mar 2010

Release Date

Oct 2024

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EP

Core Architecture

Turin

Intel Socket 1366

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

EPYC(Zen 5c (Turin))

Package

1.17 billions

Transistor Count

32 nm

Manufacturing Process

3 nm

80 W

Power Consumption

400 W

Intel

Foundry

TSMC

239 mm²

Die Size

mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

128

-

Performance Core Threads

256

2.666 GHz

Performance Core Base Frequency

2.4 GHz

2.933 GHz

Performance Core Turbo Frequency

3.7 GHz

4

Total Core Count

128

8

Total Thread Count

256

133 MHz

Bus Frequency

100 MHz

20.0

Multiplier

24.0

64 K per core

L1 Cache

80 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

DDR5-6000

-

Max Memory Size

6 TB

3

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9745

2

PCIe Version

5

-

PCIe Lanes

128

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