AMD EPYC 9254 vs Intel Xeon E5 2666 v3

VS

AMD EPYC 9254

Intel Xeon E5-2666 v3

We compared two server CPUs: AMD EPYC 9254 with 24 cores 2.9GHz and Intel Xeon E5 2666 v3 with 10 cores 2.9GHz . 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 8 years late

Higher specification of memory (4800 vs 2133)

Newer PCIe version (5 vs 3)

Larger L3 cache size (128MB vs 25MB)

More modern manufacturing process (5nm vs 22nm)

Intel Xeon E5 2666 v3 's Advantages

Lower TDP (135W vs 200W)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 9254 +114%

2245

Intel Xeon E5 2666 v3

1046

Geekbench 6 Multi Core

AMD EPYC 9254 +194%

18187

Intel Xeon E5 2666 v3

6173

AMD EPYC 9254

VS

Intel Xeon E5 2666 v3

General Parameters

Nov 2022

Release Date

Nov 2014

AMD

Manufacturer

Intel

Server

Type

Server

Genoa

Core Architecture

Haswell-EP

AMD Socket SP5

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

EPYC (Zen 4 (Genoa))

Generation

Xeon E5 (Haswell-EP)

Package

26.28 billions

Transistor Count

2.6 billions

5 nm

Manufacturing Process

22 nm

200 W

Power Consumption

135 W

TSMC

Foundry

Intel

4x72 mm²

Die Size

356 mm²

6 nm

I/O Process Size

-

397 mm²

I/O Die Size

-

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.9 GHz

4.15 GHz

Performance Core Turbo Frequency

3.5 GHz

24

Total Core Count

10

48

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

29.0

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

25 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR5-4800

Memory Types

DDR4-2133,DDR3-2133

12

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

5

PCIe Version

3

128

PCIe Lanes

40

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