Intel Xeon E5 1428L vs Intel Xeon E5640

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Intel Xeon E5-1428L

Intel Xeon E5640

We compared two server CPUs: Intel Xeon E5 1428L with 6 cores 1.8GHz and Intel Xeon E5640 with 4 cores 2.666GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 1428L 's Advantages

Released 2 years and 2 months late

Larger L3 cache size (15MB vs 12MB)

Lower TDP (60W vs 80W)

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 1.8GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 1428L

385

Intel Xeon E5640 +13%

437

Geekbench 6 Multi Core

Intel Xeon E5 1428L

1904

Intel Xeon E5640 +28%

2456

Intel Xeon E5 1428L

VS

Intel Xeon E5640

General Parameters

May 2012

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EN

Core Architecture

Westmere-EP

Intel Socket 1356

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EN)

Generation

Xeon (Westmere-EP)

Package

1.27 billions

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

60 W

Power Consumption

80 W

Intel

Foundry

Intel

294 mm²

Die Size

239 mm²

CPU Performance

1.8 GHz

Performance Core Base Frequency

2.666 GHz

0

Performance Core Turbo Frequency

2.933 GHz

6

Total Core Count

4

12

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

18.0

Multiplier

20.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

15 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

2

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