Opteron 6278 vs Intel Xeon E5 2666 v3

VS

AMD Opteron 6278

Intel Xeon E5-2666 v3

We compared two server CPUs: Opteron 6278 with 16 cores 2.4GHz 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

Opteron 6278 's Advantages

Lower TDP (115W vs 135W)

Intel Xeon E5 2666 v3 's Advantages

Released 2 years and 6 months late

Higher specification of memory (2133 vs 3)

Newer PCIe version (3 vs 2)

Higher base frequency (2.9GHz vs 2.4GHz)

Larger L3 cache size (25MB vs 8MB)

More modern manufacturing process (22nm vs 32nm)

Score

Benchmark

Geekbench 6 Single Core

Opteron 6278

309

Intel Xeon E5 2666 v3 +238%

1046

Geekbench 6 Multi Core

Opteron 6278

2575

Intel Xeon E5 2666 v3 +139%

6173

Opteron 6278

VS

Intel Xeon E5 2666 v3

General Parameters

May 2012

Release Date

Nov 2014

AMD

Manufacturer

Intel

Server

Type

Server

Interlagos

Core Architecture

Haswell-EP

AMD Socket G34

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Opteron (Interlagos)

Generation

Xeon E5 (Haswell-EP)

Package

2.4 billions

Transistor Count

2.6 billions

32 nm

Manufacturing Process

22 nm

115 W

Power Consumption

135 W

-

Foundry

Intel

316 mm²

Die Size

356 mm²

CPU Performance

2.4 GHz

Performance Core Base Frequency

2.9 GHz

3.3 GHz

Performance Core Turbo Frequency

3.5 GHz

16

Total Core Count

10

16

Total Thread Count

20

200 MHz

Bus Frequency

100 MHz

12.0

Multiplier

29.0

768 K

L1 Cache

64 K per core

16 MB

L2 Cache

256 K per core

8 MB per die

L3 Cache

25 MB shared

No

Unlocked Multiplier

No

4

SMP

2

Memory Parameters

DDR3

Memory Types

DDR4-2133,DDR3-2133

Max Memory Channels

4

No

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

3

-

PCIe Lanes

40

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