Intel Xeon E3 1505L v5 vs Intel Xeon E5 2666 v3

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Intel Xeon E3 1505L v5 Intel Xeon E5 2666 v3

We compared two server CPUs: Intel Xeon E3 1505L v5 with 4 cores 2GHz and Intel Xeon E5 2666 v3 with 10 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1505L v5 's Advantages

Released 11 months late

More modern manufacturing process (14nm vs 22nm)

Lower TDP (25W vs 135W)

Intel Xeon E5 2666 v3 's Advantages

Higher specification of memory (DDR4-2133 vs DDR3)

Higher base frequency (2.9GHz vs 2GHz)

Larger L3 cache size (25MB vs 8MB)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E3 1505L v5

787

Intel Xeon E5 2666 v3 +32%

1046

Geekbench 6 Multi Core

Intel Xeon E3 1505L v5

2969

Intel Xeon E5 2666 v3 +107%

6173

Intel Xeon E3 1505L v5

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Intel Xeon E5 2666 v3

General Parameters

Oct 2015

Release Date

Nov 2014

Intel

Manufacturer

Intel

Server

Type

Server

Skylake-H

Core Architecture

Haswell-EP

Intel BGA 1440

Socket

Intel Socket 2011-3

HD Graphics P530

Integrated Graphics

N/A

Xeon E3 (Skylake-H)

Generation

Xeon E5 (Haswell-EP)

Package

2.3 billions

Transistor Count

2.6 billions

14 nm

Manufacturing Process

22 nm

Intel BGA 1440

Socket

Intel Socket 2011-3

25 W

Power Consumption

135 W

Intel

Foundry

Intel

122 mm²

Die Size

356 mm²

FC-BGA14F

Package

FC-LGA12A

CPU Performance

2 GHz

Performance Core Base Frequency

2.9 GHz

2.8 GHz

Performance Core Turbo Frequency

3.5 GHz

4

Total Core Count

10

8

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

29.0

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

25 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,

Memory Types

DDR4-2133,DDR3-2133

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

16

PCIe Lanes

40

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