Xeon E7 4820 vs AMD EPYC Embedded 3255

VS

Intel Xeon E7-4820

AMD EPYC Embedded 3255

We compared two server CPUs: Xeon E7 4820 with 8 cores 2GHz 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

Xeon E7 4820 's Advantages

Larger L3 cache size (18MB vs 16MB)

AMD EPYC Embedded 3255 's Advantages

Released 6 years and 10 months late

Higher specification of memory (2666 vs 1333)

Higher base frequency (2.5GHz vs 2GHz)

More modern manufacturing process (14nm vs 32nm)

Lower TDP (55W vs 105W)

Score

Xeon E7 4820

VS

AMD EPYC Embedded 3255

General Parameters

Apr 2011

Release Date

Feb 2018

Intel

Manufacturer

AMD

Server

Type

Server

Westmere-EX

Core Architecture

Zen

Intel Socket 1567

Socket

AMD BGA SP4r2

N/A

Integrated Graphics

N/A

Xeon E7(Westmere-EX)

Generation

EPYC Embedded (Zen (Snowy Owl))

Package

2.6 billions

Transistor Count

4.8 billions

32 nm

Manufacturing Process

14 nm

105 W

Power Consumption

55 W

Intel

Foundry

GlobalFoundries

513 mm²

Die Size

213 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

2.5 GHz

2.266 GHz

Performance Core Turbo Frequency

3.1 GHz

8

Total Core Count

8

16

Total Thread Count

16

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

25.0

64 KB per core

L1 Cache

96 K per core

256 KB per core

L2 Cache

512 K per core

18 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

4

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR4-2666

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

32

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