Intel Xeon Gold 6421N vs Intel Xeon Gold 5423N

VS

Intel Xeon Gold 6421N Intel Xeon Gold 5423N

We compared two server CPUs: Intel Xeon Gold 6421N with 32 cores 1.8GHz and Intel Xeon Gold 5423N with 20 cores 2.1GHz . 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

Higher specification of memory (DDR5-4400 vs DDR5-4000)

Newer PCIe version (5 vs 4)

Larger L3 cache size (60MB vs 37.5MB)

Intel Xeon Gold 5423N 's Advantages

Higher base frequency (2.1GHz vs 1.8GHz)

Lower TDP (145W vs 185W)

Score

Intel Xeon Gold 6421N

VS

Intel Xeon Gold 5423N

General Parameters

Jan 2023

Release Date

Jan 2023

Intel

Manufacturer

Intel

Server

Type

Server

Sapphire Rapids

Core Architecture

Sapphire Rapids

Intel Socket 4677

Socket

Intel Socket 4677

N/A

Integrated Graphics

N/A

Xeon Gold (Sapphire Rapids-SP)

Generation

Xeon Gold (Sapphire Rapids-SP)

Package

10 nm

Manufacturing Process

10 nm

Intel Socket 4677

Socket

Intel Socket 4677

185 W

Power Consumption

145 W

85 °C

Peak Operating Temperature

83 °C

Intel

Foundry

Intel

FC-LGA16A

Package

FC-LGA16A

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.1 GHz

3.6 GHz

Performance Core Turbo Frequency

4 GHz

32

Total Core Count

20

64

Total Thread Count

40

100 MHz

Bus Frequency

100 MHz

18.0

Multiplier

21.0

80 K per core

L1 Cache

80 K per core

2 MB per core

L2 Cache

2 MB per core

60 MB

L3 Cache

37.5 MB

No

Unlocked Multiplier

No

1

SMP

1

2

AVX-512 FMA Ports

2

Memory Parameters

DDR5-4400

Memory Types

DDR5-4000

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

4

80

PCIe Lanes

48

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