Intel Xeon E5 2666 v3 vs AMD EPYC 9355

VS

Intel Xeon E5-2666 v3

AMD EPYC 9355

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and AMD EPYC 9355 with 32 cores 3.55GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2666 v3 's Advantages

Lower TDP (135W vs 280W)

AMD EPYC 9355 's Advantages

Released 9 years and 11 months late

Higher specification of memory (6000 vs 2133)

Newer PCIe version (5 vs 3)

Higher base frequency (3.55GHz vs 2.9GHz)

Larger L3 cache size (256MB vs 25MB)

More modern manufacturing process (4nm vs 22nm)

Score

Intel Xeon E5 2666 v3

VS

AMD EPYC 9355

General Parameters

Nov 2014

Release Date

Oct 2024

Intel

Manufacturer

AMD

Server

Type

Server

Haswell-EP

Core Architecture

Turin

Intel Socket 2011-3

Socket

AMD Socket SP5

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

EPYC(Zen 5 (Turin))

Package

2.6 billions

Transistor Count

66.52 billions

22 nm

Manufacturing Process

4 nm

135 W

Power Consumption

280 W

Intel

Foundry

TSMC

356 mm²

Die Size

8x70.6 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

mm²

CPU Performance

-

Performance Cores

32

-

Performance Core Threads

64

2.9 GHz

Performance Core Base Frequency

3.55 GHz

3.5 GHz

Performance Core Turbo Frequency

4.4 GHz

10

Total Core Count

32

20

Total Thread Count

64

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

35.5

64 K per core

L1 Cache

80 KB per core

256 K per core

L2 Cache

1 MB per core

25 MB shared

L3 Cache

256 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR5-6000

-

Max Memory Size

6 TB

4

Max Memory Channels

12

-

Max Memory Bandwidth

576 GB/s

Yes

ECC Memory Support

Yes

Miscellaneous

-

Official Website

AMD EPYC 9355

3

PCIe Version

5

40

PCIe Lanes

128

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