Xeon L5645 vs Intel Xeon W 2191B

VS

Intel Xeon L5645

Intel Xeon W-2191B

We compared two server CPUs: Xeon L5645 with 6 cores 2.4GHz and Intel Xeon W 2191B with 18 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon L5645 's Advantages

Higher base frequency (2.4GHz vs 2.3GHz)

Lower TDP (60W vs 140W)

Intel Xeon W 2191B 's Advantages

Released 6 years and 10 months late

Higher specification of memory (2666 vs 1333)

Newer PCIe version (3 vs 2)

Larger L3 cache size (24.75MB vs 12MB)

More modern manufacturing process (14nm vs 32nm)

Score

Xeon L5645

VS

Intel Xeon W 2191B

General Parameters

Feb 2011

Release Date

Dec 2017

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Skylake-W

Intel Socket 1366

Socket

Intel Socket 2066

N/A

Integrated Graphics

N/A

Xeon(Westmere-EP)

Generation

Xeon W (Skylake-W)

Package

1.17 billions

Transistor Count

-

32 nm

Manufacturing Process

14 nm

60 W

Power Consumption

140 W

-

Peak Operating Temperature

66 °C

Intel

Foundry

Intel

239 mm²

Die Size

484 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.3 GHz

2.933 GHz

Performance Core Turbo Frequency

4.3 GHz

6

Total Core Count

18

12

Total Thread Count

36

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

23.0

64 KB per core

L1 Cache

64 K per core

256 KB per core

L2 Cache

1 MB per core

12 MB shared

L3 Cache

24.75 MB shared

No

Unlocked Multiplier

No

2

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR3-1333

Memory Types

DDR4-2666

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

48

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