Intel Xeon E7 8870 v3 vs Intel Xeon X5660

VS

Intel Xeon E7-8870 v3

Intel Xeon X5660

We compared two server CPUs: Intel Xeon E7 8870 v3 with 18 cores 2.1GHz and Intel Xeon X5660 with 6 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E7 8870 v3 's Advantages

Released 5 years and 3 months late

Higher specification of memory (1866 vs 3)

Newer PCIe version (3 vs 2)

Larger L3 cache size (45MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Intel Xeon X5660 's Advantages

Higher base frequency (2.8GHz vs 2.1GHz)

Lower TDP (95W vs 140W)

Score

Intel Xeon E7 8870 v3

VS

Intel Xeon X5660

General Parameters

Jun 2015

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EX

Core Architecture

Westmere-EP

Intel Socket 2011-3

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E7 (Haswell-EX)

Generation

Xeon (Westmere-EP)

Package

1.4 billions

Transistor Count

1.17 billions

22 nm

Manufacturing Process

32 nm

140 W

Power Consumption

95 W

75 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

160 mm²

Die Size

239 mm²

CPU Performance

2.1 GHz

Performance Core Base Frequency

2.8 GHz

2.9 GHz

Performance Core Turbo Frequency

3.2 GHz

18

Total Core Count

6

36

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

21.0

Multiplier

21.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

45 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

8

SMP

2

Memory Parameters

DDR3,DDR4-1866

Memory Types

DDR3

2

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

32

PCIe Lanes

-

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