Intel Xeon E5 2666 v3 vs Opteron 43CX EE

VS

Intel Xeon E5-2666 v3

AMD Opteron 43CX EE

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Opteron 43CX EE with 4 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

Released 1 years and 11 months late

Higher specification of memory (2133 vs 3)

Higher base frequency (2.9GHz vs 2.2GHz)

Larger L3 cache size (25MB vs 8MB)

More modern manufacturing process (22nm vs 32nm)

Opteron 43CX EE 's Advantages

Lower TDP (35W vs 135W)

Score

Intel Xeon E5 2666 v3

VS

Opteron 43CX EE

General Parameters

Nov 2014

Release Date

Dec 2012

Intel

Manufacturer

AMD

Server

Type

Server

Haswell-EP

Core Architecture

Seoul

Intel Socket 2011-3

Socket

AMD Socket C32

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Opteron (Seoul)

Package

2.6 billions

Transistor Count

1.2 billions

22 nm

Manufacturing Process

32 nm

135 W

Power Consumption

35 W

Intel

Foundry

-

356 mm²

Die Size

315 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.2 GHz

3.5 GHz

Performance Core Turbo Frequency

3 GHz

10

Total Core Count

4

20

Total Thread Count

4

100 MHz

Bus Frequency

200 MHz

29.0

Multiplier

11.0

64 K per core

L1 Cache

192 K

256 K per core

L2 Cache

4 MB

25 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

2

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR3

4

Max Memory Channels

Yes

ECC Memory Support

No

Miscellaneous

3

PCIe Version

-

40

PCIe Lanes

-

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