Intel Xeon Gold 6421N vs Intel Xeon Platinum 8351N

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Intel Xeon Gold 6421N Intel Xeon Platinum 8351N

We compared two server CPUs: Intel Xeon Gold 6421N with 32 cores 1.8GHz and Intel Xeon Platinum 8351N with 36 cores 2.4GHz . 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 1 years and 9 months late

Higher specification of memory (DDR5-4400 vs DDR4-2933)

Newer PCIe version (5 vs 4)

Larger L3 cache size (60MB vs 54MB)

Lower TDP (185W vs 225W)

Intel Xeon Platinum 8351N 's Advantages

Higher base frequency (2.4GHz vs 1.8GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon Gold 6421N +22%

2104

Intel Xeon Platinum 8351N

1718

Geekbench 6 Multi Core

Intel Xeon Gold 6421N

12541

Intel Xeon Platinum 8351N +33%

16804

Intel Xeon Gold 6421N

VS

Intel Xeon Platinum 8351N

General Parameters

Jan 2023

Release Date

Apr 2021

Intel

Manufacturer

Intel

Server

Type

Server

Sapphire Rapids

Core Architecture

Ice Lake-SP

Intel Socket 4677

Socket

Intel Socket 4189

N/A

Integrated Graphics

N/A

Xeon Gold (Sapphire Rapids-SP)

Generation

Xeon Platinum (Ice Lake-SP)

Package

10 nm

Manufacturing Process

10 nm

Intel Socket 4677

Socket

Intel Socket 4189

185 W

Power Consumption

225 W

85 °C

Peak Operating Temperature

76 °C

Intel

Foundry

Intel

FC-LGA16A

Package

FC-LGA4189

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.4 GHz

3.6 GHz

Performance Core Turbo Frequency

3.5 GHz

32

Total Core Count

36

64

Total Thread Count

72

100 MHz

Bus Frequency

100 MHz

18.0

Multiplier

24.0

80 K per core

L1 Cache

64 K per core

2 MB per core

L2 Cache

1 MB per core

60 MB

L3 Cache

54 MB shared

No

Unlocked Multiplier

No

1

SMP

1

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-4400

Memory Types

DDR4-2933

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

4

80

PCIe Lanes

64

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