Intel Xeon Gold 6421N vs AMD EPYC 7551P

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Intel Xeon Gold 6421N

AMD EPYC 7551P

We compared two server CPUs: Intel Xeon Gold 6421N with 32 cores 1.8GHz and AMD EPYC 7551P with 32 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon Gold 6421N 's Advantages

Released 5 years and 7 months late

Higher specification of memory (4400 vs 2666)

Newer PCIe version (5 vs 3)

More modern manufacturing process (10nm vs 14nm)

AMD EPYC 7551P 's Advantages

Higher base frequency (2GHz vs 1.8GHz)

Larger L3 cache size (64MB vs 60MB)

Lower TDP (180W vs 185W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon Gold 6421N +125%

2104

AMD EPYC 7551P

931

Geekbench 6 Multi Core

Intel Xeon Gold 6421N +102%

12541

AMD EPYC 7551P

6192

Intel Xeon Gold 6421N

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AMD EPYC 7551P

General Parameters

Jan 2023

Release Date

Jun 2017

Intel

Manufacturer

AMD

Server

Type

Server

Sapphire Rapids

Core Architecture

Naples

Intel Socket 4677

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon Gold (Sapphire Rapids-SP)

Generation

EPYC (Zen (Naples))

Package

-

Transistor Count

4.8 billions

10 nm

Manufacturing Process

14 nm

185 W

Power Consumption

180 W

85 °C

Peak Operating Temperature

81 °C

Intel

Foundry

GlobalFoundries

-

Die Size

213 mm²

CPU Performance

1.8 GHz

Performance Core Base Frequency

2 GHz

3.6 GHz

Performance Core Turbo Frequency

3 GHz

32

Total Core Count

32

64

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

18.0

Multiplier

20.0

80 K per core

L1 Cache

96 K per core

2 MB per core

L2 Cache

512 K per core

60 MB

L3 Cache

64 MB shared

No

Unlocked Multiplier

Yes

1

SMP

1

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-4400

Memory Types

DDR4-2666

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

80

PCIe Lanes

-

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