AMD EPYC 9254 vs Intel Xeon E5645

VS

AMD EPYC 9254

Intel Xeon E5645

We compared two server CPUs: AMD EPYC 9254 with 24 cores 2.9GHz and Intel Xeon E5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD EPYC 9254 's Advantages

Released 12 years and 8 months late

Higher specification of memory (4800 vs 3)

Newer PCIe version (5 vs 2)

Higher base frequency (2.9GHz vs 2.4GHz)

Larger L3 cache size (128MB vs 12MB)

More modern manufacturing process (5nm vs 32nm)

Intel Xeon E5645 's Advantages

Lower TDP (80W vs 200W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 9254 +428%

2245

Intel Xeon E5645

425

Geekbench 6 Multi Core

AMD EPYC 9254 +483%

18187

Intel Xeon E5645

3117

AMD EPYC 9254

VS

Intel Xeon E5645

General Parameters

Nov 2022

Release Date

Mar 2010

AMD

Manufacturer

Intel

Server

Type

Server

Genoa

Core Architecture

Westmere-EP

AMD Socket SP5

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

EPYC (Zen 4 (Genoa))

Generation

Xeon (Westmere-EP)

Package

26.28 billions

Transistor Count

1.17 billions

5 nm

Manufacturing Process

32 nm

200 W

Power Consumption

80 W

TSMC

Foundry

Intel

4x72 mm²

Die Size

239 mm²

6 nm

I/O Process Size

-

397 mm²

I/O Die Size

-

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.4 GHz

4.15 GHz

Performance Core Turbo Frequency

2.666 GHz

24

Total Core Count

6

48

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

29.0

Multiplier

18.0

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

128 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR3

12

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

2

128

PCIe Lanes

-

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