AMD EPYC 9645 vs Xeon E7 2850

VS

AMD EPYC 9645

Intel Xeon E7-2850

We compared two server CPUs: AMD EPYC 9645 with 96 cores 2.3GHz and Xeon E7 2850 with 10 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 13 years and 6 months late

Higher specification of memory (6000 vs 1333)

Higher base frequency (2.3GHz vs 2GHz)

Larger L3 cache size (256MB vs 24MB)

More modern manufacturing process (3nm vs 32nm)

Xeon E7 2850 's Advantages

Lower TDP (130W vs 320W)

Score

AMD EPYC 9645

VS

Xeon E7 2850

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 GHz

3.7 GHz

Performance Core Turbo Frequency

2.4 GHz

96

Total Core Count

10

192

Total Thread Count

20

100 MHz

Bus Frequency

133 MHz

23.0

Multiplier

15.0

80 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

256 KB per core

256 MB shared

L3 Cache

24 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR5-6000

Memory Types

DDR3-1333

6 TB

Max Memory Size

-

12

Max Memory Channels

4

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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