Intel Xeon E5 2640 v3 vs Opteron 1381

VS

Intel Xeon E5-2640 v3

AMD Opteron 1381

We compared two server CPUs: Intel Xeon E5 2640 v3 with 8 cores 2.6GHz and Opteron 1381 with 4 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2640 v3 's Advantages

Released 5 years and 3 months late

Higher specification of memory (1866 vs 1333)

Newer PCIe version (3 vs 2)

Higher base frequency (2.6GHz vs 2.5GHz)

Larger L3 cache size (20MB vs 6MB)

More modern manufacturing process (22nm vs 45nm)

Lower TDP (90W vs 115W)

Score

Intel Xeon E5 2640 v3

VS

Opteron 1381

General Parameters

Sep 2014

Release Date

Jun 2009

Intel

Manufacturer

AMD

Server

Type

Server

Haswell-EP

Core Architecture

Suzuka

Intel Socket 2011-3

Socket

AMD Socket AM3

N/A

Integrated Graphics

On certain motherboards (Chipset feature)

Xeon E5 (Haswell-EP)

Generation

Opteron(Suzuka)

Package

2.6 billions

Transistor Count

0.758 billions

22 nm

Manufacturing Process

45 nm

90 W

Power Consumption

115 W

Intel

Foundry

GlobalFoundries

356 mm²

Die Size

258 mm²

CPU Performance

2.6 GHz

Performance Core Base Frequency

2.5 GHz

3.4 GHz

Performance Core Turbo Frequency

0

8

Total Core Count

4

16

Total Thread Count

4

100 MHz

Bus Frequency

200 MHz

26.0

Multiplier

12.5

64 K per core

L1 Cache

128 KB per core

256 K per core

L2 Cache

512 KB per core

20 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-1866

Memory Types

DDR3-1333

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

2

40

PCIe Lanes

-

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