AMD EPYC 9645 vs Intel Xeon Gold 6438N

VS

AMD EPYC 9645

Intel Xeon Gold 6438N

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz and Intel Xeon Gold 6438N with 32 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9645 's Advantages

Released 1 years and 9 months late

Higher specification of memory (6000 vs 4800)

Higher base frequency (2.3GHz vs 2GHz)

Larger L3 cache size (256MB vs 60MB)

More modern manufacturing process (3nm vs 10nm)

Intel Xeon Gold 6438N 's Advantages

Lower TDP (205W vs 320W)

Score

AMD EPYC 9645

VS

Intel Xeon Gold 6438N

General Parameters

Oct 2024

Release Date

Jan 2023

AMD

Manufacturer

Intel

Server

Type

Server

Turin

Core Architecture

Sapphire Rapids

AMD Socket SP5

Socket

Intel Socket 4677

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

Xeon Gold (Sapphire Rapids-SP)

Package

Transistor Count

-

3 nm

Manufacturing Process

10 nm

320 W

Power Consumption

205 W

-

Peak Operating Temperature

85 °C

TSMC

Foundry

Intel

mm²

Die Size

-

6 nm

I/O Process Size

-

mm²

I/O Die Size

-

CPU Performance

96

Performance Cores

-

192

Performance Core Threads

-

2.3 GHz

Performance Core Base Frequency

2 GHz

3.7 GHz

Performance Core Turbo Frequency

3.6 GHz

96

Total Core Count

32

192

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

20.0

80 KB per core

L1 Cache

80 K per core

1 MB per core

L2 Cache

2 MB per core

256 MB shared

L3 Cache

60 MB

No

Unlocked Multiplier

No

2

SMP

2

-

AVX-512 FMA Ports

2

Memory Parameters

DDR5-6000

Memory Types

DDR5-4800

6 TB

Max Memory Size

-

12

Max Memory Channels

8

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9645

Official Website

-

5

PCIe Version

5

128

PCIe Lanes

80

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