AMD EPYC 7663P vs Intel Xeon E5640

VS

AMD EPYC 7663P

Intel Xeon E5640

We compared two server CPUs: AMD EPYC 7663P with 56 cores 2GHz and Intel Xeon E5640 with 4 cores 2.666GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 7663P 's Advantages

Released 13 years and 6 months late

Higher specification of memory (3200 vs 3)

Newer PCIe version (4 vs 2)

Larger L3 cache size (256MB vs 12MB)

More modern manufacturing process (7nm vs 32nm)

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 2GHz)

Lower TDP (80W vs 240W)

Score

AMD EPYC 7663P

VS

Intel Xeon E5640

General Parameters

Sep 2023

Release Date

Mar 2010

AMD

Manufacturer

Intel

Server

Type

Server

Milan

Core Architecture

Westmere-EP

AMD Socket SP3

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

EPYC (Zen 3 (Milan))

Generation

Xeon (Westmere-EP)

Package

33.2 billions

Transistor Count

1.17 billions

7 nm

Manufacturing Process

32 nm

240 W

Power Consumption

80 W

TSMC

Foundry

Intel

8x81 mm²

Die Size

239 mm²

12 nm

I/O Process Size

-

416 mm²

I/O Die Size

-

CPU Performance

2 GHz

Performance Core Base Frequency

2.666 GHz

3.5 GHz

Performance Core Turbo Frequency

2.933 GHz

56

Total Core Count

4

112

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

20.0

Multiplier

20.0

64 KB per core

L1 Cache

64 K per core

512 KB per core

L2 Cache

256 K per core

256 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

8

Cores per CCD

-

1

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR3

8

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

2

128

PCIe Lanes

-

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