Intel Xeon Platinum 8351N vs AMD EPYC 7643

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Intel Xeon Platinum 8351N

AMD EPYC 7643

We compared two server CPUs: Intel Xeon Platinum 8351N with 36 cores 2.4GHz and AMD EPYC 7643 with 48 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon Platinum 8351N 's Advantages

Higher base frequency (2.4GHz vs 2.3GHz)

AMD EPYC 7643 's Advantages

Higher specification of memory (3200 vs 2933)

Larger L3 cache size (256MB vs 54MB)

More modern manufacturing process (7nm vs 10nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon Platinum 8351N +1%

1718

AMD EPYC 7643

1696

Geekbench 6 Multi Core

Intel Xeon Platinum 8351N +69%

16804

AMD EPYC 7643

9939

Intel Xeon Platinum 8351N

VS

AMD EPYC 7643

General Parameters

Apr 2021

Release Date

Mar 2021

Intel

Manufacturer

AMD

Server

Type

Server

Ice Lake-SP

Core Architecture

Milan

Intel Socket 4189

Socket

AMD Socket SP3

N/A

Integrated Graphics

N/A

Xeon Platinum (Ice Lake-SP)

Generation

EPYC (Zen 3 (Milan))

Package

-

Transistor Count

33.2 billions

10 nm

Manufacturing Process

7 nm

225 W

Power Consumption

225 W

76 °C

Peak Operating Temperature

-

Intel

Foundry

TSMC

-

Die Size

8x81 mm²

-

I/O Process Size

12 nm

-

I/O Die Size

416 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.3 GHz

3.5 GHz

Performance Core Turbo Frequency

3.6 GHz

36

Total Core Count

48

72

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

24.0

Multiplier

23.0

64 K per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

512 KB per core

54 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

-

Cores per CCD

6

1

SMP

2

Memory Parameters

DDR4-2933

Memory Types

DDR4-3200

8

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

4

64

PCIe Lanes

128

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