Intel Xeon X5660 vs Intel Xeon E5 2650L v3

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Intel Xeon X5660

Intel Xeon E5-2650L v3

We compared two server CPUs: Intel Xeon X5660 with 6 cores 2.8GHz and Intel Xeon E5 2650L v3 with 12 cores 1.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon X5660 's Advantages

Higher base frequency (2.8GHz vs 1.8GHz)

Intel Xeon E5 2650L v3 's Advantages

Released 4 years and 6 months late

Higher specification of memory (2133 vs 3)

Newer PCIe version (3 vs 2)

Larger L3 cache size (30MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Lower TDP (65W vs 95W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon X5660

471

Intel Xeon E5 2650L v3 +25%

590

Geekbench 6 Multi Core

Intel Xeon X5660

2075

Intel Xeon E5 2650L v3 +158%

5365

Intel Xeon X5660

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Intel Xeon E5 2650L v3

General Parameters

Mar 2010

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

95 W

Power Consumption

65 W

Intel

Foundry

Intel

239 mm²

Die Size

356 mm²

CPU Performance

2.8 GHz

Performance Core Base Frequency

1.8 GHz

3.2 GHz

Performance Core Turbo Frequency

2.5 GHz

6

Total Core Count

12

Total Thread Count

24

133 MHz

Bus Frequency

100 MHz

21.0

Multiplier

18.0

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

30 MB shared

No

Unlocked Multiplier

No

2

SMP

2

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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