Intel Xeon X5660 vs Intel Xeon E5 4655 v3

VS

Intel Xeon X5660

Intel Xeon E5-4655 v3

We compared two server CPUs: Intel Xeon X5660 with 6 cores 2.8GHz and Intel Xeon E5 4655 v3 with 6 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon X5660 's Advantages

Lower TDP (95W vs 135W)

Intel Xeon E5 4655 v3 's Advantages

Released 5 years and 3 months late

Higher specification of memory (2133 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (2.9GHz vs 2.8GHz)

Larger L3 cache size (30MB vs 12MB)

More modern manufacturing process (22nm vs 32nm)

Score

Intel Xeon X5660

VS

Intel Xeon E5 4655 v3

General Parameters

Mar 2010

Release Date

Jun 2015

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

135 W

-

Peak Operating Temperature

84 °C

Intel

Foundry

Intel

239 mm²

Die Size

356 mm²

CPU Performance

2.8 GHz

Performance Core Base Frequency

2.9 GHz

3.2 GHz

Performance Core Turbo Frequency

3.2 GHz

6

Total Core Count

6

12

Total Thread Count

12

133 MHz

Bus Frequency

100 MHz

21.0

Multiplier

29.0

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

4

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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