Intel Xeon Gold 6421N vs Xeon Platinum 8280M

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Intel Xeon Gold 6421N

Intel Xeon Platinum 8280M

We compared two server CPUs: Intel Xeon Gold 6421N with 32 cores 1.8GHz and Xeon Platinum 8280M with 28 cores 2.7GHz . 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 4 years and 1 months late

Higher specification of memory (4400 vs 2933)

Newer PCIe version (5 vs 3)

Larger L3 cache size (60MB vs 38.5MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (185W vs 205W)

Xeon Platinum 8280M 's Advantages

Higher base frequency (2.7GHz vs 1.8GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon Gold 6421N +161%

2104

Xeon Platinum 8280M

805

Geekbench 6 Multi Core

Intel Xeon Gold 6421N +83%

12541

Xeon Platinum 8280M

6820

Geekbench 5 Single Core

Intel Xeon Gold 6421N +15%

848

Xeon Platinum 8280M

733

Geekbench 5 Multi Core

Intel Xeon Gold 6421N

9394

Xeon Platinum 8280M +233%

31330

Intel Xeon Gold 6421N

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Xeon Platinum 8280M

General Parameters

Jan 2023

Release Date

Dec 2018

Intel

Manufacturer

Intel

Server

Type

Server

Sapphire Rapids

Core Architecture

Cascade Lake-SP

Intel Socket 4677

Socket

Intel Socket 3647

N/A

Integrated Graphics

N/A

Xeon Gold (Sapphire Rapids-SP)

Generation

Xeon Platinum(Cascade Lake-SP)

Package

-

Transistor Count

8 billions

10 nm

Manufacturing Process

14 nm

185 W

Power Consumption

205 W

85 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.7 GHz

3.6 GHz

Performance Core Turbo Frequency

4 GHz

32

Total Core Count

28

64

Total Thread Count

56

100 MHz

Bus Frequency

100 MHz

18.0

Multiplier

27.0

80 K per core

L1 Cache

64 KB per core

2 MB per core

L2 Cache

1 MB per core

60 MB

L3 Cache

38.5 MB shared

No

Unlocked Multiplier

No

1

SMP

8

2

AVX-512 FMA Ports

-

Memory Parameters

DDR5-4400

Memory Types

DDR4-2933

8

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

80

PCIe Lanes

-

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