Intel Xeon E5 2666 v3 vs AMD EPYC Embedded 3255

VS

Intel Xeon E5-2666 v3

AMD EPYC Embedded 3255

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and AMD EPYC Embedded 3255 with 8 cores 2.5GHz . 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

Higher base frequency (2.9GHz vs 2.5GHz)

Larger L3 cache size (25MB vs 16MB)

AMD EPYC Embedded 3255 's Advantages

Released 3 years and 3 months late

Higher specification of memory (2666 vs 2133)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (55W vs 135W)

Score

Intel Xeon E5 2666 v3

VS

AMD EPYC Embedded 3255

General Parameters

Nov 2014

Release Date

Feb 2018

Intel

Manufacturer

AMD

Server

Type

Server

Haswell-EP

Core Architecture

Zen

Intel Socket 2011-3

Socket

AMD BGA SP4r2

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

EPYC Embedded (Zen (Snowy Owl))

Package

2.6 billions

Transistor Count

4.8 billions

22 nm

Manufacturing Process

14 nm

135 W

Power Consumption

55 W

Intel

Foundry

GlobalFoundries

356 mm²

Die Size

213 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.5 GHz

3.5 GHz

Performance Core Turbo Frequency

3.1 GHz

10

Total Core Count

8

20

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

25.0

64 K per core

L1 Cache

96 K per core

256 K per core

L2 Cache

512 K per core

25 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR4-2666

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

32

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