Intel Xeon X5660 vs Xeon X3440

VS

Intel Xeon X5660

Intel Xeon X3440

We compared two server CPUs: Intel Xeon X5660 with 6 cores 2.8GHz and Xeon X3440 with 4 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon X5660 's Advantages

Released 6 months late

Higher base frequency (2.8GHz vs 2.533GHz)

Larger L3 cache size (12MB vs 8MB)

More modern manufacturing process (32nm vs 45nm)

Xeon X3440 's Advantages

Higher specification of memory (1333 vs 3)

Score

Intel Xeon X5660

VS

Xeon X3440

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

95 W

Power Consumption

95 W

Intel

Foundry

Intel

239 mm²

Die Size

296 mm²

CPU Performance

2.8 GHz

Performance Core Base Frequency

2.533 GHz

3.2 GHz

Performance Core Turbo Frequency

2.933 GHz

6

Total Core Count

4

12

Total Thread Count

8

133 MHz

Bus Frequency

133 MHz

21.0

Multiplier

19.0

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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