AMD EPYC 9645 vs Xeon Platinum 8280M

VS

AMD EPYC 9645

Intel Xeon Platinum 8280M

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz 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

AMD EPYC 9645 's Advantages

Released 5 years and 10 months late

Higher specification of memory (6000 vs 2933)

Newer PCIe version (5 vs 3)

Larger L3 cache size (256MB vs 38.5MB)

More modern manufacturing process (3nm vs 14nm)

Xeon Platinum 8280M 's Advantages

Higher base frequency (2.7GHz vs 2.3GHz)

Lower TDP (205W vs 320W)

Score

AMD EPYC 9645

VS

Xeon Platinum 8280M

General Parameters

Oct 2024

Release Date

Dec 2018

AMD

Manufacturer

Intel

Server

Type

Server

Turin

Core Architecture

Cascade Lake-SP

AMD Socket SP5

Socket

Intel Socket 3647

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

Xeon Platinum(Cascade Lake-SP)

Package

Transistor Count

8 billions

3 nm

Manufacturing Process

14 nm

320 W

Power Consumption

205 W

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

2.7 GHz

3.7 GHz

Performance Core Turbo Frequency

4 GHz

96

Total Core Count

28

192

Total Thread Count

56

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

27.0

80 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

1 MB per core

256 MB shared

L3 Cache

38.5 MB shared

No

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR5-6000

Memory Types

DDR4-2933

6 TB

Max Memory Size

-

12

Max Memory Channels

576 GB/s

Max Memory Bandwidth

-

Yes

ECC Memory Support

Yes

Miscellaneous

AMD EPYC 9645

Official Website

-

5

PCIe Version

3

128

PCIe Lanes

-

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