Intel Xeon E5 2640 vs Opteron A1120

VS

Intel Xeon E5-2640

AMD Opteron A1120

We compared two server CPUs: Intel Xeon E5 2640 with 6 cores 2.5GHz and Opteron A1120 with 4 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2640 's Advantages

Higher base frequency (2.5GHz vs 1.7GHz)

Larger L3 cache size (15MB vs 8MB)

Opteron A1120 's Advantages

Released 3 years and 10 months late

Higher specification of memory (1866 vs 3)

More modern manufacturing process (28nm vs 32nm)

Lower TDP (25W vs 95W)

Score

Intel Xeon E5 2640

VS

Opteron A1120

General Parameters

Mar 2012

Release Date

Jan 2016

Intel

Manufacturer

AMD

Server

Type

Server

Sandy Bridge-EP

Core Architecture

Seattle

Intel Socket 2011

Socket

AMD Socket SP1

N/A

Integrated Graphics

N/A

Xeon E5 (Sandy Bridge-EP)

Generation

Opteron (Seattle)

Package

2.27 billions

Transistor Count

-

32 nm

Manufacturing Process

28 nm

95 W

Power Consumption

25 W

Intel

Foundry

GlobalFoundries

435 mm²

Die Size

182 mm²

CPU Performance

2.5 GHz

Performance Core Base Frequency

1.7 GHz

3 GHz

Performance Core Turbo Frequency

0

6

Total Core Count

4

12

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

25.0

Multiplier

17.0

64 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

2 MB shared

15 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3,DDR4-1866

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

-

PCIe Lanes

8

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