Intel Xeon E5 2666 v3 vs Opteron 6386 SE

VS

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Opteron 6386 SE with 16 cores 2.8GHz . 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 2 years late

Higher specification of memory (DDR4-2133 vs DDR3)

Newer PCIe version (3 vs 2)

Higher base frequency (2.9GHz vs 2.8GHz)

Larger L3 cache size (25MB vs 8MB)

Lower TDP (135W vs 140W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2666 v3 +145%

1046

Opteron 6386 SE

426

Geekbench 6 Multi Core

Intel Xeon E5 2666 v3 +56%

6173

Opteron 6386 SE

3945

Intel Xeon E5 2666 v3

VS

Opteron 6386 SE

General Parameters

Nov 2014

Release Date

Nov 2012

Intel

Manufacturer

AMD

Server

Type

Server

Haswell-EP

Core Architecture

Abu Dhabi

Intel Socket 2011-3

Socket

AMD Socket G34

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Opteron (Abu Dhabi)

Package

2.6 billions

Transistor Count

2.4 billions

22 nm

Manufacturing Process

32 nm

Intel Socket 2011-3

Socket

AMD Socket G34

135 W

Power Consumption

140 W

Intel

Foundry

-

356 mm²

Die Size

315 mm²

FC-LGA12A

Package

-

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.8 GHz

3.5 GHz

Performance Core Turbo Frequency

3.5 GHz

10

Total Core Count

16

20

Total Thread Count

16

100 MHz

Bus Frequency

200 MHz

29.0

Multiplier

14.0

64 K per core

L1 Cache

768 K

256 K per core

L2 Cache

16 MB

25 MB shared

L3 Cache

8 MB per die

No

Unlocked Multiplier

No

2

SMP

4

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR3

4

Max Memory Channels

Yes

ECC Memory Support

No

Miscellaneous

3

PCIe Version

2

40

PCIe Lanes

-

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