AMD EPYC 7551 vs Intel Xeon E5640

VS

AMD EPYC 7551

Intel Xeon E5640

We compared two server CPUs: AMD EPYC 7551 with 32 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 7551 's Advantages

Released 7 years and 3 months late

Higher specification of memory (2666 vs 3)

Newer PCIe version (3 vs 2)

Larger L3 cache size (64MB vs 12MB)

More modern manufacturing process (14nm vs 32nm)

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 2GHz)

Lower TDP (80W vs 180W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7551 +103%

890

Intel Xeon E5640

437

Geekbench 6 Multi Core

AMD EPYC 7551 +122%

5459

Intel Xeon E5640

2456

AMD EPYC 7551

VS

Intel Xeon E5640

General Parameters

Jun 2017

Release Date

Mar 2010

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Westmere-EP

AMD Socket SP3

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Xeon (Westmere-EP)

Package

4.8 billions

Transistor Count

1.17 billions

14 nm

Manufacturing Process

32 nm

180 W

Power Consumption

80 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

239 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2.666 GHz

3 GHz

Performance Core Turbo Frequency

2.933 GHz

32

Total Core Count

4

64

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

20.0

Multiplier

20.0

96 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

64 MB shared

L3 Cache

12 MB shared

Yes

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-2666

Memory Types

DDR3

8

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

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