Intel Xeon E5645 vs Xeon X3470

VS

Intel Xeon E5645

Intel Xeon X3470

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Xeon X3470 with 4 cores 2.933GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5645 's Advantages

Released 6 months late

Larger L3 cache size (12MB vs 8MB)

More modern manufacturing process (32nm vs 45nm)

Lower TDP (80W vs 95W)

Xeon X3470 's Advantages

Higher specification of memory (1333 vs 3)

Higher base frequency (2.933GHz vs 2.4GHz)

Score

Intel Xeon E5645

VS

Xeon X3470

General Parameters

Mar 2010

Release Date

Sep 2009

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Lynnfield

Intel Socket 1366

Socket

Intel Socket 1156

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon(Lynnfield)

Package

1.17 billions

Transistor Count

0.774 billions

32 nm

Manufacturing Process

45 nm

80 W

Power Consumption

95 W

Intel

Foundry

Intel

239 mm²

Die Size

296 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.933 GHz

2.666 GHz

Performance Core Turbo Frequency

3.6 GHz

6

Total Core Count

4

12

Total Thread Count

8

133 MHz

Bus Frequency

133 MHz

18.0

Multiplier

22.0

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

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3-1333

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

-

PCIe Lanes

16

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