Intel Xeon Gold 6421N vs AMD EPYC 7773X

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We compared two server CPUs: Intel Xeon Gold 6421N with 32 cores 1.8GHz and AMD EPYC 7773X with 64 cores 2.2GHz . 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 10 months late

Higher specification of memory (DDR5-4400 vs DDR4-3200)

Newer PCIe version (5 vs 4)

Lower TDP (185W vs 280W)

AMD EPYC 7773X 's Advantages

Higher base frequency (2.2GHz vs 1.8GHz)

Larger L3 cache size (768MB vs 60MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon Gold 6421N +27%

2104

AMD EPYC 7773X

1656

Geekbench 6 Multi Core

Intel Xeon Gold 6421N +346%

12541

AMD EPYC 7773X

2811

Geekbench 5 Single Core

Intel Xeon Gold 6421N

848

AMD EPYC 7773X +57%

1332

Geekbench 5 Multi Core

Intel Xeon Gold 6421N

9394

AMD EPYC 7773X +395%

46533

Intel Xeon Gold 6421N

VS

AMD EPYC 7773X

General Parameters

Jan 2023

Release Date

Mar 2022

Intel

Manufacturer

AMD

Server

Type

Server

Sapphire Rapids

Core Architecture

Milan-X

Intel Socket 4677

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon Gold (Sapphire Rapids-SP)

Generation

EPYC (Zen 3 (Milan))

Package

-

Transistor Count

33.2 billions

10 nm

Manufacturing Process

7 nm

Intel Socket 4677

Socket

AMD Socket SP3

185 W

Power Consumption

280 W

85 °C

Peak Operating Temperature

-

Intel

Foundry

TSMC

-

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

FC-LGA16A

Package

FCLGA-4094

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.2 GHz

3.6 GHz

Performance Core Turbo Frequency

3.5 GHz

32

Total Core Count

64

Total Thread Count

128

100 MHz

Bus Frequency

100 MHz

18.0

Multiplier

22.0

80 K per core

L1 Cache

64 K per core

2 MB per core

L2 Cache

512 K per core

60 MB

L3 Cache

768 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

8

1

SMP

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-4400

Memory Types

DDR4-3200

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

4

80

PCIe Lanes

128

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