Intel Xeon E7 8870 vs Intel Xeon E5 2643

VS

We compared two server CPUs: Intel Xeon E7 8870 with 10 cores 2.4GHz and Intel Xeon E5 2643 with 4 cores 3.3GHz . 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

Larger L3 cache size (30MB vs 10MB)

Intel Xeon E5 2643 's Advantages

Released 11 months late

Higher base frequency (3.3GHz vs 2.4GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E7 8870

369

Intel Xeon E5 2643 +209%

1143

Geekbench 6 Multi Core

Intel Xeon E7 8870

3059

Intel Xeon E5 2643 +58%

4836

Intel Xeon E7 8870

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Intel Xeon E5 2643

General Parameters

Apr 2011

Release Date

Mar 2012

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EX

Core Architecture

Sandy Bridge-EP

Intel Socket 1567

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon E7 (Westmere-EX)

Generation

Xeon E5 (Sandy Bridge-EP)

Package

2.6 billions

Transistor Count

1.27 billions

32 nm

Manufacturing Process

32 nm

Intel Socket 1567

Socket

Intel Socket 2011

130 W

Power Consumption

130 W

Intel

Foundry

Intel

513 mm²

Die Size

294 mm²

FC-LGA10

Package

FC-LGA10

CPU Performance

2.4 GHz

Performance Core Base Frequency

3.3 GHz

2.8 GHz

Performance Core Turbo Frequency

3.5 GHz

10

Total Core Count

4

20

Total Thread Count

8

133 MHz

Bus Frequency

100 MHz

18.0

Multiplier

33.0

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

10 MB shared

No

Unlocked Multiplier

No

8

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

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