Intel Xeon W 11855M vs Intel Xeon D 1581

VS

We compared two server CPUs: Intel Xeon W 11855M with 6 cores 3.2GHz and Intel Xeon D 1581 with 16 cores 1.8GHz . 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 5 years and 3 months late

Higher specification of memory (DDR4-3200 vs DDR3)

Newer PCIe version (4 vs 3)

Higher base frequency (3.2GHz vs 1.8GHz)

Larger L3 cache size (18MB vs 1.5MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (35W vs 65W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon W 11855M +186%

1975

Intel Xeon D 1581

690

Geekbench 6 Multi Core

Intel Xeon W 11855M +60%

8115

Intel Xeon D 1581

5058

Intel Xeon W 11855M

VS

Intel Xeon D 1581

General Parameters

May 2021

Release Date

Feb 2016

Intel

Manufacturer

Intel

Server

Type

Server

Tiger Lake-H

Core Architecture

Broadwell

Intel BGA 1787

Socket

Intel BGA 1667

UHD Graphics 750

Integrated Graphics

N/A

Xeon (Tiger Lake-H)

Generation

Xeon D (Broadwell-DE)

Package

-

Transistor Count

3.2 billions

10 nm

Manufacturing Process

14 nm

Intel BGA 1787

Socket

Intel BGA 1667

35 W

Power Consumption

65 W

72 °C

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

190 mm²

Die Size

246 mm²

FC-BGA16F

Package

FC-BGA14C

CPU Performance

3.2 GHz

Performance Core Base Frequency

1.8 GHz

4.9 GHz

Performance Core Turbo Frequency

2.4 GHz

6

Total Core Count

16

12

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

32.0

Multiplier

18.0

80 K per core

L1 Cache

64 K per core

1.25 MB per core

L2 Cache

256 K per core

18 MB shared

L3 Cache

1.5 MB per core

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR4-3200

Memory Types

DDR3,

2

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

3

20

PCIe Lanes

24

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