AMD EPYC 7551 vs Intel Xeon E5 2643 v2

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AMD EPYC 7551

Intel Xeon E5-2643 v2

We compared two server CPUs: AMD EPYC 7551 with 32 cores 2GHz and Intel Xeon E5 2643 v2 with 6 cores 3.5GHz . 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 3 years and 9 months late

Higher specification of memory (2666 vs 3)

Larger L3 cache size (64MB vs 15MB)

More modern manufacturing process (14nm vs 22nm)

Intel Xeon E5 2643 v2 's Advantages

Higher base frequency (3.5GHz vs 2GHz)

Lower TDP (130W vs 180W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7551 +53%

890

Intel Xeon E5 2643 v2

581

Geekbench 6 Multi Core

AMD EPYC 7551 +77%

5459

Intel Xeon E5 2643 v2

3083

AMD EPYC 7551

VS

Intel Xeon E5 2643 v2

General Parameters

Jun 2017

Release Date

Sep 2013

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Ivy Bridge-EP

AMD Socket SP3

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Xeon E5 (Ivy Bridge-EP)

Package

4.8 billions

Transistor Count

1.4 billions

14 nm

Manufacturing Process

22 nm

180 W

Power Consumption

130 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

160 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

3.5 GHz

3 GHz

Performance Core Turbo Frequency

0

32

Total Core Count

6

64

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

35.0

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

15 MB shared

Yes

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-2666

Memory Types

DDR3

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

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