Opteron A1120 vs Intel Xeon E5 2643 v3

VS

AMD Opteron A1120

Intel Xeon E5-2643 v3

We compared two server CPUs: Opteron A1120 with 4 cores 1.7GHz and Intel Xeon E5 2643 v3 with 6 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron A1120 's Advantages

Released 1 years and 4 months late

Lower TDP (25W vs 135W)

Intel Xeon E5 2643 v3 's Advantages

Higher specification of memory (2133 vs 1866)

Higher base frequency (3.4GHz vs 1.7GHz)

Larger L3 cache size (20MB vs 8MB)

More modern manufacturing process (22nm vs 28nm)

Score

Opteron A1120

VS

Intel Xeon E5 2643 v3

General Parameters

Jan 2016

Release Date

Sep 2014

AMD

Manufacturer

Intel

Server

Type

Server

Seattle

Core Architecture

Haswell-EP

AMD Socket SP1

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Opteron (Seattle)

Generation

Xeon E5 (Haswell-EP)

Package

-

Transistor Count

2.6 billions

28 nm

Manufacturing Process

22 nm

25 W

Power Consumption

135 W

GlobalFoundries

Foundry

Intel

182 mm²

Die Size

356 mm²

CPU Performance

1.7 GHz

Performance Core Base Frequency

3.4 GHz

0

Performance Core Turbo Frequency

3.7 GHz

4

Total Core Count

6

4

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

17.0

Multiplier

34.0

80 K per core

L1 Cache

64 K per core

2 MB shared

L2 Cache

256 K per core

8 MB shared

L3 Cache

20 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4-1866

Memory Types

DDR4-2133

2

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

8

PCIe Lanes

40

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