AMD EPYC 7251 vs Intel Xeon W 11855M

VS

AMD EPYC 7251

Intel Xeon W-11855M

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

Main Differences

AMD EPYC 7251 's Advantages

Larger L3 cache size (32MB vs 18MB)

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)

Score

Benchmark

Geekbench 6 Single Core

AMD EPYC 7251

781

Intel Xeon W 11855M +152%

1975

Geekbench 6 Multi Core

AMD EPYC 7251

3651

Intel Xeon W 11855M +122%

8115

AMD EPYC 7251

VS

Intel Xeon W 11855M

General Parameters

Jun 2017

Release Date

May 2021

AMD

Manufacturer

Intel

Server

Type

Server

Naples

Core Architecture

Tiger Lake-H

AMD Socket SP3

Socket

Intel BGA 1787

N/A

Integrated Graphics

UHD Graphics 750

EPYC (Zen (Naples))

Generation

Xeon (Tiger Lake-H)

Package

4.8 billions

Transistor Count

-

14 nm

Manufacturing Process

10 nm

120 W

Power Consumption

35 W

81 °C

Peak Operating Temperature

72 °C

GlobalFoundries

Foundry

Intel

213 mm²

Die Size

190 mm²

CPU Performance

2.1 GHz

Performance Core Base Frequency

3.2 GHz

2.9 GHz

Performance Core Turbo Frequency

4.9 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

32.0

96 K per core

L1 Cache

80 K per core

512 K per core

L2 Cache

1.25 MB per core

32 MB shared

L3 Cache

18 MB shared

Yes

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2400

Memory Types

DDR4-3200

8

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

4

-

PCIe Lanes

20

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