AMD EPYC 9645 vs Xeon E 2478

VS

AMD EPYC 9645

Intel Xeon E-2478

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz and Xeon E 2478 with 8 cores 2.8GHz . 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 10 months late

Higher specification of memory (6000 vs 4800)

Larger L3 cache size (256MB vs 24MB)

More modern manufacturing process (3nm vs 10nm)

Xeon E 2478 's Advantages

Higher base frequency (2.8GHz vs 2.3GHz)

Lower TDP (80W vs 320W)

Score

AMD EPYC 9645

VS

Xeon E 2478

General Parameters

Oct 2024

Release Date

Dec 2023

AMD

Manufacturer

Intel

Server

Type

Server

Turin

Core Architecture

Raptor Lake-S

AMD Socket SP5

Socket

Intel Socket 1700

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

Xeon E (Raptor Lake)

Package

Transistor Count

-

3 nm

Manufacturing Process

10 nm

320 W

Power Consumption

80 W

TSMC

Foundry

Intel

mm²

Die Size

257 mm²

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

2.8 GHz

3.7 GHz

Performance Core Turbo Frequency

5.2 GHz

96

Total Core Count

8

192

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

28.0

80 KB per core

L1 Cache

80 KB per core

1 MB per core

L2 Cache

2 MB per core

256 MB shared

L3 Cache

24 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR5-6000

Memory Types

DDR5-4800

6 TB

Max Memory Size

-

12

Max Memory Channels

2

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9645

Official Website

-

5

PCIe Version

5

128

PCIe Lanes

16

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