AMD EPYC 9645 vs Intel Xeon E7 8870

VS

AMD EPYC 9645

Intel Xeon E7-8870

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz and Intel Xeon E7 8870 with 10 cores 2.4GHz . 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 13 years and 6 months late

Higher specification of memory (6000 vs 3)

Larger L3 cache size (256MB vs 30MB)

More modern manufacturing process (3nm vs 32nm)

Intel Xeon E7 8870 's Advantages

Higher base frequency (2.4GHz vs 2.3GHz)

Lower TDP (130W vs 320W)

Score

AMD EPYC 9645

VS

Intel Xeon E7 8870

General Parameters

Oct 2024

Release Date

Apr 2011

AMD

Manufacturer

Intel

Server

Type

Server

Turin

Core Architecture

Westmere-EX

AMD Socket SP5

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

EPYC(Zen 5c (Turin))

Generation

Xeon E7 (Westmere-EX)

Package

Transistor Count

2.6 billions

3 nm

Manufacturing Process

32 nm

320 W

Power Consumption

130 W

TSMC

Foundry

Intel

mm²

Die Size

513 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

2.4 GHz

3.7 GHz

Performance Core Turbo Frequency

2.8 GHz

96

Total Core Count

10

192

Total Thread Count

20

100 MHz

Bus Frequency

133 MHz

23.0

Multiplier

18.0

80 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

256 MB shared

L3 Cache

30 MB shared

No

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR5-6000

Memory Types

DDR3

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

-

128

PCIe Lanes

-

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