Intel Xeon E5 2666 v3 vs Xeon E7 8860

VS

Intel Xeon E5-2666 v3

Intel Xeon E7-8860

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Xeon E7 8860 with 10 cores 2.266GHz . 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

Released 3 years and 7 months late

Higher specification of memory (2133 vs 1333)

Higher base frequency (2.9GHz vs 2.266GHz)

Larger L3 cache size (25MB vs 24MB)

More modern manufacturing process (22nm vs 32nm)

Xeon E7 8860 's Advantages

Lower TDP (130W vs 135W)

Score

Intel Xeon E5 2666 v3

VS

Xeon E7 8860

General Parameters

Nov 2014

Release Date

Apr 2011

Intel

Manufacturer

Intel

Server

Type

Server

Haswell-EP

Core Architecture

Westmere-EX

Intel Socket 2011-3

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon E7(Westmere-EX)

Package

2.6 billions

Transistor Count

2.6 billions

22 nm

Manufacturing Process

32 nm

135 W

Power Consumption

130 W

Intel

Foundry

Intel

356 mm²

Die Size

513 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.266 GHz

3.5 GHz

Performance Core Turbo Frequency

2.667 GHz

10

Total Core Count

10

20

Total Thread Count

20

100 MHz

Bus Frequency

133 MHz

29.0

Multiplier

17.0

64 K per core

L1 Cache

64 KB per core

256 K per core

L2 Cache

256 KB per core

25 MB shared

L3 Cache

24 MB shared

No

Unlocked Multiplier

No

2

SMP

8

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR3-1333

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

40

PCIe Lanes

-

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