Intel Xeon E5 2666 v3 vs Intel Xeon D 1531

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We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Intel Xeon D 1531 with 6 cores 2.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2666 v3 's Advantages

Higher specification of memory (DDR4-2133 vs DDR3)

Higher base frequency (2.9GHz vs 2.2GHz)

Larger L3 cache size (25MB vs 1.5MB)

Intel Xeon D 1531 's Advantages

Released 1 years late

More modern manufacturing process (14nm vs 22nm)

Lower TDP (35W vs 135W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2666 v3 +37%

1046

Intel Xeon D 1531

759

Geekbench 6 Multi Core

Intel Xeon E5 2666 v3 +361%

6173

Intel Xeon D 1531

1338

Intel Xeon E5 2666 v3

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Intel Xeon D 1531

General Parameters

Nov 2014

Release Date

Nov 2015

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Broadwell

Intel Socket 2011-3

Socket

Intel BGA 1667

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon D (Broadwell-DE)

Package

2.6 billions

Transistor Count

3.2 billions

22 nm

Manufacturing Process

14 nm

Intel Socket 2011-3

Socket

Intel BGA 1667

135 W

Power Consumption

35 W

-

Peak Operating Temperature

80 °C

Intel

Foundry

Intel

356 mm²

Die Size

246 mm²

FC-LGA12A

Package

FC-BGA14C

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.2 GHz

3.5 GHz

Performance Core Turbo Frequency

2.7 GHz

10

Total Core Count

6

20

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

22.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

25 MB shared

L3 Cache

1.5 MB per core

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR3,

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

40

PCIe Lanes

24

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