Intel Xeon E5645 vs Xeon X5355

VS

Intel Xeon E5645

Intel Xeon X5355

We compared two server CPUs: Intel Xeon E5645 with 6 cores 2.4GHz and Xeon X5355 with 4 cores 2.667GHz . 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 3 years and 4 months late

More modern manufacturing process (32nm vs 65nm)

Lower TDP (80W vs 120W)

Xeon X5355 's Advantages

Higher specification of memory (3 vs 3)

Higher base frequency (2.667GHz vs 2.4GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5645 +41%

425

Xeon X5355

301

Geekbench 6 Multi Core

Intel Xeon E5645 +130%

3117

Xeon X5355

1355

Intel Xeon E5645

VS

Xeon X5355

General Parameters

Mar 2010

Release Date

Nov 2006

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Clovertown

Intel Socket 1366

Socket

Intel Socket 771

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon (Clovertown)

Package

1.17 billions

Transistor Count

0.582 billions

32 nm

Manufacturing Process

65 nm

80 W

Power Consumption

120 W

-

Peak Operating Temperature

63 °C

Intel

Foundry

-

239 mm²

Die Size

2x143 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.667 GHz

2.666 GHz

Performance Core Turbo Frequency

0

6

Total Core Count

4

12

Total Thread Count

4

133 MHz

Bus Frequency

333 MHz

18.0

Multiplier

8.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

4 MB per die

12 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR2, DDR3

3

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

0

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