AMD EPYC 7251 vs Intel Xeon Gold 6421N

VS

We compared two server CPUs: AMD EPYC 7251 with 8 cores 2.1GHz 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 7251 's Advantages

Higher base frequency (2.1GHz vs 1.8GHz)

Lower TDP (120W vs 185W)

Intel Xeon Gold 6421N 's Advantages

Released 5 years and 7 months late

Higher specification of memory (DDR5-4400 vs DDR4-2400)

Newer PCIe version (5 vs 3)

Larger L3 cache size (60MB vs 32MB)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7251

781

Intel Xeon Gold 6421N +169%

2104

Geekbench 6 Multi Core

AMD EPYC 7251

3651

Intel Xeon Gold 6421N +243%

12541

Geekbench 5 Single Core

AMD EPYC 7251

537

Intel Xeon Gold 6421N +57%

848

Geekbench 5 Multi Core

AMD EPYC 7251

540

Intel Xeon Gold 6421N +1639%

9394

AMD EPYC 7251

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

120 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

2.1 GHz

Performance Core Base Frequency

1.8 GHz

2.9 GHz

Performance Core Turbo Frequency

3.6 GHz

8

Total Core Count

32

16

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

18.0

96 K per core

L1 Cache

80 K per core

512 K per core

L2 Cache

2 MB per core

32 MB shared

L3 Cache

60 MB

Yes

Unlocked Multiplier

No

2

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR4-2400

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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