Intel Xeon E5649 vs Intel Xeon E5 1660 v3

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Intel Xeon E5649

Intel Xeon E5-1660 v3

We compared two server CPUs: Intel Xeon E5649 with 6 cores 2.533GHz and Intel Xeon E5 1660 v3 with 8 cores 3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5649 's Advantages

Lower TDP (80W vs 140W)

Intel Xeon E5 1660 v3 's Advantages

Released 3 years and 7 months late

Higher specification of memory (2133 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (3GHz vs 2.533GHz)

Larger L3 cache size (20MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5649

411

Intel Xeon E5 1660 v3 +254%

1458

Geekbench 6 Multi Core

Intel Xeon E5649

1727

Intel Xeon E5 1660 v3 +416%

8915

Intel Xeon E5649

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Intel Xeon E5 1660 v3

General Parameters

Feb 2011

Release Date

Sep 2014

Intel

Manufacturer

Intel

Server

Type

Server

Westmere-EP

Core Architecture

Haswell-EP

Intel Socket 1366

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon E5 (Haswell-EP)

Package

1.17 billions

Transistor Count

2.6 billions

32 nm

Manufacturing Process

22 nm

80 W

Power Consumption

140 W

Intel

Foundry

Intel

239 mm²

Die Size

356 mm²

CPU Performance

2.533 GHz

Performance Core Base Frequency

3 GHz

2.8 GHz

Performance Core Turbo Frequency

3.5 GHz

6

Total Core Count

8

12

Total Thread Count

16

133 MHz

Bus Frequency

100 MHz

19.0

Multiplier

30.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

12 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

Yes

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR4-2133

3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

40

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