Intel Xeon E3 1220L vs Intel Xeon E5640

VS

We compared two server CPUs: Intel Xeon E3 1220L with 2 cores 2.2GHz 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 E3 1220L 's Advantages

Released 1 years and 1 months late

Newer PCIe version (3 vs 2)

Lower TDP (20W vs 80W)

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 2.2GHz)

Larger L3 cache size (12MB vs 3MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1220L +30%

569

Intel Xeon E5640

437

Geekbench 6 Multi Core

Intel Xeon E3 1220L

678

Intel Xeon E5640 +262%

2456

Intel Xeon E3 1220L

VS

Intel Xeon E5640

General Parameters

Apr 2011

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge

Core Architecture

Westmere-EP

Intel Socket 1155

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E3 (Sandy Bridge)

Generation

Xeon (Westmere-EP)

Package

0.504 billions

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

Intel Socket 1155

Socket

Intel Socket 1366

20 W

Power Consumption

80 W

Intel

Foundry

Intel

131 mm²

Die Size

239 mm²

FC-LGA10

Package

FC-LGA10

CPU Performance

2.2 GHz

Performance Core Base Frequency

2.666 GHz

3.4 GHz

Performance Core Turbo Frequency

2.933 GHz

2

Total Core Count

4

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

22.0

Multiplier

20.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

3 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

2

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

16

PCIe Lanes

-

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