Intel Xeon E7 8870 vs Intel Xeon E5640

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Intel Xeon E7-8870

Intel Xeon E5640

We compared two server CPUs: Intel Xeon E7 8870 with 10 cores 2.4GHz and Intel Xeon E5640 with 4 cores 2.666GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E7 8870 's Advantages

Released 1 years and 1 months late

Larger L3 cache size (30MB vs 12MB)

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 2.4GHz)

Lower TDP (80W vs 130W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E7 8870

369

Intel Xeon E5640 +18%

437

Geekbench 6 Multi Core

Intel Xeon E7 8870 +24%

3059

Intel Xeon E5640

2456

Intel Xeon E7 8870

VS

Intel Xeon E5640

General Parameters

Apr 2011

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EX

Core Architecture

Westmere-EP

Intel Socket 1567

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E7 (Westmere-EX)

Generation

Xeon (Westmere-EP)

Package

2.6 billions

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

130 W

Power Consumption

80 W

Intel

Foundry

Intel

513 mm²

Die Size

239 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.666 GHz

2.8 GHz

Performance Core Turbo Frequency

2.933 GHz

10

Total Core Count

4

20

Total Thread Count

8

133 MHz

Bus Frequency

133 MHz

18.0

Multiplier

20.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

30 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

8

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

2

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