Intel Xeon E5 2680 vs Intel Xeon E5 2666 v3

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Intel Xeon E5-2680

Intel Xeon E5-2666 v3

We compared two server CPUs: Intel Xeon E5 2680 with 8 cores 2.7GHz 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 E5 2680 's Advantages

Lower TDP (130W vs 135W)

Intel Xeon E5 2666 v3 's Advantages

Released 2 years and 8 months late

Higher specification of memory (2133 vs 3)

Higher base frequency (2.9GHz vs 2.7GHz)

Larger L3 cache size (25MB vs 20MB)

More modern manufacturing process (22nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2680

947

Intel Xeon E5 2666 v3 +10%

1046

Geekbench 6 Multi Core

Intel Xeon E5 2680

5316

Intel Xeon E5 2666 v3 +16%

6173

Intel Xeon E5 2680

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Intel Xeon E5 2666 v3

General Parameters

Mar 2012

Release Date

Nov 2014

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Haswell-EP

Intel Socket 2011

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Xeon E5 (Haswell-EP)

Package

2.27 billions

Transistor Count

2.6 billions

32 nm

Manufacturing Process

22 nm

130 W

Power Consumption

135 W

Intel

Foundry

Intel

435 mm²

Die Size

356 mm²

CPU Performance

2.7 GHz

Performance Core Base Frequency

2.9 GHz

3.5 GHz

Performance Core Turbo Frequency

3.5 GHz

8

Total Core Count

10

16

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

27.0

Multiplier

29.0

64 K per core

L1 Cache

64 K per core

256 K per core

L2 Cache

256 K per core

20 MB shared

L3 Cache

25 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR3

Memory Types

DDR4-2133,DDR3-2133

4

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

-

PCIe Lanes

40

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