Intel Xeon E5645 vs Xeon E7 4860

VS

Intel Xeon E5645

Intel Xeon E7-4860

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Xeon E7 4860 with 10 cores 2.266GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Higher base frequency (2.4GHz vs 2.266GHz)

Lower TDP (80W vs 130W)

Xeon E7 4860 's Advantages

Released 1 years and 1 months late

Higher specification of memory (1333 vs 3)

Larger L3 cache size (24MB vs 12MB)

Score

Intel Xeon E5645

VS

Xeon E7 4860

General Parameters

Mar 2010

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Westmere-EX

Intel Socket 1366

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon E7(Westmere-EX)

Package

1.17 billions

Transistor Count

2.6 billions

32 nm

Manufacturing Process

32 nm

80 W

Power Consumption

130 W

Intel

Foundry

Intel

239 mm²

Die Size

513 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.266 GHz

2.666 GHz

Performance Core Turbo Frequency

2.667 GHz

6

Total Core Count

10

12

Total Thread Count

20

133 MHz

Bus Frequency

133 MHz

18.0

Multiplier

17.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

12 MB shared

L3 Cache

24 MB shared

No

Unlocked Multiplier

No

2

SMP

4

Memory Parameters

DDR3

Memory Types

DDR3-1333

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

-

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