Intel Xeon E5640 vs Intel Xeon W 2155

VS

Intel Xeon E5640

Intel Xeon W-2155

We compared two server CPUs: Intel Xeon E5640 with 4 cores 2.666GHz and Intel Xeon W 2155 with 10 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5640 's Advantages

Lower TDP (80W vs 140W)

Intel Xeon W 2155 's Advantages

Released 7 years and 5 months late

Higher specification of memory (2666 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (3.3GHz vs 2.666GHz)

Larger L3 cache size (13.75MB vs 12MB)

More modern manufacturing process (14nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5640

437

Intel Xeon W 2155 +150%

1095

Geekbench 6 Multi Core

Intel Xeon E5640

2456

Intel Xeon W 2155 +162%

6459

Intel Xeon E5640

VS

Intel Xeon W 2155

General Parameters

Mar 2010

Release Date

Aug 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

80 W

Power Consumption

140 W

-

Peak Operating Temperature

68 °C

Intel

Foundry

Intel

239 mm²

Die Size

484 mm²

CPU Performance

2.666 GHz

Performance Core Base Frequency

3.3 GHz

2.933 GHz

Performance Core Turbo Frequency

4.5 GHz

4

Total Core Count

10

8

Total Thread Count

20

133 MHz

Bus Frequency

100 MHz

20.0

Multiplier

33.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

1 MB per core

12 MB shared

L3 Cache

13.75 MB shared

No

Unlocked Multiplier

No

2

SMP

1

-

AVX-512 FMA Ports

2

Memory Parameters

DDR3

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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