Intel Xeon W 11955M vs Intel Xeon E5649

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Intel Xeon W-11955M

Intel Xeon E5649

We compared two server CPUs: Intel Xeon W 11955M with 8 cores 2.1GHz and Intel Xeon E5649 with 6 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon W 11955M 's Advantages

Released 10 years and 3 months late

Higher specification of memory (3200 vs 3)

Newer PCIe version (4 vs 2)

Larger L3 cache size (24MB vs 12MB)

More modern manufacturing process (10nm vs 32nm)

Lower TDP (35W vs 80W)

Intel Xeon E5649 's Advantages

Higher base frequency (2.533GHz vs 2.1GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon W 11955M +418%

2130

Intel Xeon E5649

411

Geekbench 6 Multi Core

Intel Xeon W 11955M +423%

9034

Intel Xeon E5649

1727

Intel Xeon W 11955M

VS

Intel Xeon E5649

General Parameters

May 2021

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Tiger Lake-H

Core Architecture

Westmere-EP

Intel BGA 1499

Socket

Intel Socket 1366

UHD Graphics 750

Integrated Graphics

N/A

Xeon (Tiger Lake-H)

Generation

Xeon (Westmere-EP)

Package

-

Transistor Count

1.17 billions

10 nm

Manufacturing Process

32 nm

35 W

Power Consumption

80 W

72 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

190 mm²

Die Size

239 mm²

CPU Performance

2.1 GHz

Performance Core Base Frequency

2.533 GHz

5 GHz

Performance Core Turbo Frequency

2.8 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

21.0

Multiplier

19.0

80 K per core

L1 Cache

64 K per core

1.25 MB per core

L2 Cache

256 K per core

24 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR4-3200

Memory Types

DDR3

2

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

4

PCIe Version

2

20

PCIe Lanes

-

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