Intel Xeon E3 1220 v3 vs Intel Xeon E5649

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Intel Xeon E3-1220 v3

Intel Xeon E5649

We compared two server CPUs: Intel Xeon E3 1220 v3 with 4 cores 3.1GHz and Intel Xeon E5649 with 6 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1220 v3 's Advantages

Released 2 years and 4 months late

Higher specification of memory (1600 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (3.1GHz vs 2.533GHz)

More modern manufacturing process (22nm vs 32nm)

Intel Xeon E5649 's Advantages

Larger L3 cache size (12MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1220 v3 +184%

1170

Intel Xeon E5649

411

Geekbench 6 Multi Core

Intel Xeon E3 1220 v3 +106%

3565

Intel Xeon E5649

1727

Intel Xeon E3 1220 v3

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Intel Xeon E5649

General Parameters

Jun 2013

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-WS

Core Architecture

Westmere-EP

Intel Socket 1150

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon E3 (Haswell-WS)

Generation

Xeon (Westmere-EP)

Package

1.4 billions

Transistor Count

1.17 billions

22 nm

Manufacturing Process

32 nm

80 W

Power Consumption

80 W

Intel

Foundry

Intel

160 mm²

Die Size

239 mm²

CPU Performance

3.1 GHz

Performance Core Base Frequency

2.533 GHz

3.5 GHz

Performance Core Turbo Frequency

2.8 GHz

4

Total Core Count

6

4

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

31.0

Multiplier

19.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3-1600

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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