Intel Xeon E5 2640 vs AMD EPYC 7643P

VS

Intel Xeon E5-2640

AMD EPYC 7643P

We compared two server CPUs: Intel Xeon E5 2640 with 6 cores 2.5GHz and AMD EPYC 7643P with 48 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2640 's Advantages

Higher base frequency (2.5GHz vs 2.3GHz)

Lower TDP (95W vs 225W)

AMD EPYC 7643P 's Advantages

Released 11 years and 6 months late

Higher specification of memory (3200 vs 3)

Newer PCIe version (4 vs 3)

Larger L3 cache size (256MB vs 15MB)

More modern manufacturing process (7nm vs 32nm)

Score

Intel Xeon E5 2640

VS

AMD EPYC 7643P

General Parameters

Mar 2012

Release Date

Sep 2023

Intel

Manufacturer

AMD

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Milan

Intel Socket 2011

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

EPYC (Zen 3 (Milan))

Package

2.27 billions

Transistor Count

33.2 billions

32 nm

Manufacturing Process

7 nm

95 W

Power Consumption

225 W

Intel

Foundry

TSMC

435 mm²

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

2.3 GHz

3 GHz

Performance Core Turbo Frequency

3.6 GHz

6

Total Core Count

48

12

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

23.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

512 KB per core

15 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

8

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR4-3200

4

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

-

PCIe Lanes

128

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