Intel Xeon W 11855M vs AMD EPYC 7251

VS

Intel Xeon W-11855M

AMD EPYC 7251

We compared two server CPUs: Intel Xeon W 11855M with 6 cores 3.2GHz and AMD EPYC 7251 with 8 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon W 11855M 's Advantages

Released 3 years and 11 months late

Higher specification of memory (3200 vs 2400)

Newer PCIe version (4 vs 3)

Higher base frequency (3.2GHz vs 2.1GHz)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (35W vs 120W)

AMD EPYC 7251 's Advantages

Larger L3 cache size (32MB vs 18MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon W 11855M +152%

1975

AMD EPYC 7251

781

Geekbench 6 Multi Core

Intel Xeon W 11855M +122%

8115

AMD EPYC 7251

3651

Intel Xeon W 11855M

VS

AMD EPYC 7251

General Parameters

May 2021

Release Date

Jun 2017

Intel

Manufacturer

AMD

Server

Type

Server

Tiger Lake-H

Core Architecture

Naples

Intel BGA 1787

Socket

AMD Socket SP3

UHD Graphics 750

Integrated Graphics

N/A

Xeon (Tiger Lake-H)

Generation

EPYC (Zen (Naples))

Package

-

Transistor Count

4.8 billions

10 nm

Manufacturing Process

14 nm

35 W

Power Consumption

120 W

72 °C

Peak Operating Temperature

81 °C

Intel

Foundry

GlobalFoundries

190 mm²

Die Size

213 mm²

CPU Performance

3.2 GHz

Performance Core Base Frequency

2.1 GHz

4.9 GHz

Performance Core Turbo Frequency

2.9 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

32.0

Multiplier

21.0

80 K per core

L1 Cache

96 K per core

1.25 MB per core

L2 Cache

512 K per core

18 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

1

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR4-2400

2

Max Memory Channels

8

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

20

PCIe Lanes

-

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