AMD EPYC 7551P vs Intel Xeon Gold 6421N

VS

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

Main Differences

AMD EPYC 7551P 's Advantages

Higher base frequency (2GHz vs 1.8GHz)

Larger L3 cache size (64MB vs 60MB)

Lower TDP (180W vs 185W)

Intel Xeon Gold 6421N 's Advantages

Released 5 years and 7 months late

Higher specification of memory (DDR5-4400 vs DDR4-2666)

Newer PCIe version (5 vs 3)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7551P

541

Intel Xeon Gold 6421N +288%

2104

Geekbench 6 Multi Core

AMD EPYC 7551P

2808

Intel Xeon Gold 6421N +346%

12541

AMD EPYC 7551P

VS

Intel Xeon Gold 6421N

General Parameters

Jun 2017

Release Date

Jan 2023

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Sapphire Rapids

AMD Socket SP3

Socket

Intel Socket 4677

N/A

Integrated Graphics

N/A

EPYC (Zen (Naples))

Generation

Xeon Gold (Sapphire Rapids-SP)

Package

4.8 billions

Transistor Count

-

14 nm

Manufacturing Process

10 nm

AMD Socket SP3

Socket

Intel Socket 4677

180 W

Power Consumption

185 W

81 °C

Peak Operating Temperature

85 °C

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

-

FCLGA-4094

Package

FC-LGA16A

CPU Performance

2 GHz

Performance Core Base Frequency

1.8 GHz

3 GHz

Performance Core Turbo Frequency

3.6 GHz

32

Total Core Count

32

64

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

18.0

96 K per core

L1 Cache

80 K per core

512 K per core

L2 Cache

2 MB per core

64 MB shared

L3 Cache

60 MB

Yes

Unlocked Multiplier

No

1

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR4-2666

Memory Types

DDR5-4400

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

5

-

PCIe Lanes

80

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