Intel Xeon E5 2666 v3 vs Opteron 3380

VS

Intel Xeon E5-2666 v3

AMD Opteron 3380

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Opteron 3380 with 8 cores 2.6GHz . 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)

Newer PCIe version (3 vs 2)

Higher base frequency (2.9GHz vs 2.6GHz)

Larger L3 cache size (25MB vs 8MB)

More modern manufacturing process (22nm vs 32nm)

Opteron 3380 's Advantages

Lower TDP (65W vs 135W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon E5 2666 v3 +124%

1046

Opteron 3380

466

Geekbench 6 Multi Core

Intel Xeon E5 2666 v3 +248%

6173

Opteron 3380

1773

Intel Xeon E5 2666 v3

VS

Opteron 3380

General Parameters

Nov 2014

Release Date

Dec 2012

Intel

Manufacturer

AMD

Server

Type

Server

Haswell-EP

Core Architecture

Delhi

Intel Socket 2011-3

Socket

AMD Socket AM3+

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Opteron (Delhi)

Package

2.6 billions

Transistor Count

1.2 billions

22 nm

Manufacturing Process

32 nm

135 W

Power Consumption

65 W

Intel

Foundry

-

356 mm²

Die Size

315 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

2.6 GHz

3.5 GHz

Performance Core Turbo Frequency

3.6 GHz

10

Total Core Count

8

20

Total Thread Count

8

100 MHz

Bus Frequency

200 MHz

29.0

Multiplier

13.0

64 K per core

L1 Cache

384 K

256 K per core

L2 Cache

8 MB

25 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR3

4

Max Memory Channels

2

Yes

ECC Memory Support

No

Miscellaneous

3

PCIe Version

2

40

PCIe Lanes

-

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