Intel Xeon E3 1290 vs Intel Xeon E5649

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Intel Xeon E3-1290

Intel Xeon E5649

We compared two server CPUs: Intel Xeon E3 1290 with 4 cores 3.6GHz 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 1290 's Advantages

Newer PCIe version (3 vs 2)

Higher base frequency (3.6GHz vs 2.533GHz)

Intel Xeon E5649 's Advantages

Larger L3 cache size (12MB vs 8MB)

Lower TDP (80W vs 95W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1290 +102%

833

Intel Xeon E5649

411

Geekbench 6 Multi Core

Intel Xeon E3 1290 +66%

2870

Intel Xeon E5649

1727

Intel Xeon E3 1290

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Intel Xeon E5649

General Parameters

May 2011

Release Date

Feb 2011

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

1.16 billions

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

95 W

Power Consumption

80 W

Intel

Foundry

Intel

216 mm²

Die Size

239 mm²

CPU Performance

3.6 GHz

Performance Core Base Frequency

2.533 GHz

4 GHz

Performance Core Turbo Frequency

2.8 GHz

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

36.0

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

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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