Xeon E7 2870 vs Intel Xeon E5645

VS

Intel Xeon E7-2870

Intel Xeon E5645

We compared two server CPUs: Xeon E7 2870 with 10 cores 2.4GHz and Intel Xeon E5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7 2870 's Advantages

Released 1 years and 1 months late

Higher specification of memory (1333 vs 3)

Larger L3 cache size (30MB vs 12MB)

Intel Xeon E5645 's Advantages

Lower TDP (80W vs 130W)

Score

Xeon E7 2870

VS

Intel Xeon E5645

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

2.4 GHz

2.8 GHz

Performance Core Turbo Frequency

2.666 GHz

10

Total Core Count

6

20

Total Thread Count

12

133 MHz

Bus Frequency

133 MHz

18.0

Multiplier

18.0

64 KB per core

L1 Cache

64 K per core

256 KB per core

L2 Cache

256 K per core

30 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3-1333

Memory Types

DDR3

4

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

2

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