AMD EPYC 7551 vs Intel Xeon E5 2643 v3

VS

AMD EPYC 7551

Intel Xeon E5-2643 v3

We compared two server CPUs: AMD EPYC 7551 with 32 cores 2GHz and Intel Xeon E5 2643 v3 with 6 cores 3.4GHz . 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 2 years and 9 months late

Higher specification of memory (2666 vs 2133)

Larger L3 cache size (64MB vs 20MB)

More modern manufacturing process (14nm vs 22nm)

Intel Xeon E5 2643 v3 's Advantages

Higher base frequency (3.4GHz vs 2GHz)

Lower TDP (135W vs 180W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7551

890

Intel Xeon E5 2643 v3 +33%

1188

Geekbench 6 Multi Core

AMD EPYC 7551

5459

Intel Xeon E5 2643 v3 +53%

8391

Blender

AMD EPYC 7551 +400%

420

Intel Xeon E5 2643 v3

84

AMD EPYC 7551

VS

Intel Xeon E5 2643 v3

General Parameters

Jun 2017

Release Date

Sep 2014

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Haswell-EP

AMD Socket SP3

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Xeon E5 (Haswell-EP)

Package

4.8 billions

Transistor Count

2.6 billions

14 nm

Manufacturing Process

22 nm

180 W

Power Consumption

135 W

81 °C

Peak Operating Temperature

-

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

356 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

3.4 GHz

3 GHz

Performance Core Turbo Frequency

3.7 GHz

32

Total Core Count

6

64

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

34.0

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

20 MB shared

Yes

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-2666

Memory Types

DDR4-2133

8

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

-

PCIe Lanes

40

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