Intel Xeon W 2191B vs Intel Xeon E5603

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We compared two server CPUs: Intel Xeon W 2191B with 18 cores 2.3GHz and Intel Xeon E5603 with 4 cores 1.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon W 2191B 's Advantages

Released 6 years and 10 months late

Higher specification of memory (DDR4-2666 vs DDR3)

Newer PCIe version (3 vs 2)

Higher base frequency (2.3GHz vs 1.6GHz)

Larger L3 cache size (24.75MB vs 4MB)

More modern manufacturing process (14nm vs 32nm)

Intel Xeon E5603 's Advantages

Lower TDP (80W vs 140W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon W 2191B +568%

1344

Intel Xeon E5603

201

Geekbench 6 Multi Core

Intel Xeon W 2191B +1466%

9179

Intel Xeon E5603

586

Intel Xeon W 2191B

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Intel Xeon E5603

General Parameters

Dec 2017

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Skylake-W

Core Architecture

Westmere-EP

Intel Socket 2066

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon W (Skylake-W)

Generation

Xeon (Westmere-EP)

Package

-

Transistor Count

1.17 billions

14 nm

Manufacturing Process

32 nm

Intel Socket 2066

Socket

Intel Socket 1366

140 W

Power Consumption

80 W

66 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

484 mm²

Die Size

239 mm²

FC-LGA2066

Package

FC-LGA10

CPU Performance

2.3 GHz

Performance Core Base Frequency

1.6 GHz

4.3 GHz

Performance Core Turbo Frequency

0

18

Total Core Count

4

36

Total Thread Count

4

100 MHz

Bus Frequency

133 MHz

23.0

Multiplier

12.0

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

256 K per core

24.75 MB shared

L3 Cache

4 MB shared

No

Unlocked Multiplier

No

1

SMP

2

AVX-512 FMA Ports

-

Memory Parameters

DDR4-2666

Memory Types

DDR3

4

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

48

PCIe Lanes

-

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