Xeon E 2478 vs AMD EPYC 9455

VS

Intel Xeon E-2478

AMD EPYC 9455

We compared two server CPUs: Xeon E 2478 with 8 cores 2.8GHz and AMD EPYC 9455 with 48 cores 3.15GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E 2478 's Advantages

Lower TDP (80W vs 300W)

AMD EPYC 9455 's Advantages

Released 10 months late

Higher specification of memory (6000 vs 4800)

Higher base frequency (3.15GHz vs 2.8GHz)

Larger L3 cache size (192MB vs 24MB)

More modern manufacturing process (4nm vs 10nm)

Score

Xeon E 2478

VS

AMD EPYC 9455

General Parameters

Dec 2023

Release Date

Oct 2024

Intel

Manufacturer

AMD

Server

Type

Server

Raptor Lake-S

Core Architecture

Turin

Intel Socket 1700

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Xeon E (Raptor Lake)

Generation

EPYC(Zen 5 (Turin))

Package

-

Transistor Count

49.89 billions

10 nm

Manufacturing Process

4 nm

80 W

Power Consumption

300 W

Intel

Foundry

TSMC

257 mm²

Die Size

6x70.6 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

48

-

Performance Core Threads

96

2.8 GHz

Performance Core Base Frequency

3.15 GHz

5.2 GHz

Performance Core Turbo Frequency

4.4 GHz

8

Total Core Count

48

16

Total Thread Count

96

100 MHz

Bus Frequency

100 MHz

28.0

Multiplier

31.5

80 KB per core

L1 Cache

80 KB per core

2 MB per core

L2 Cache

1 MB per core

24 MB shared

L3 Cache

192 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

2

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9455

5

PCIe Version

5

16

PCIe Lanes

128

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