Intel Xeon W 2155 vs Opteron A1120

VS

Intel Xeon W-2155

AMD Opteron A1120

We compared two server CPUs: Intel Xeon W 2155 with 10 cores 3.3GHz 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 W 2155 's Advantages

Released 1 years and 7 months late

Higher specification of memory (2666 vs 1866)

Higher base frequency (3.3GHz vs 1.7GHz)

Larger L3 cache size (13.75MB vs 8MB)

More modern manufacturing process (14nm vs 28nm)

Opteron A1120 's Advantages

Lower TDP (25W vs 140W)

Score

Intel Xeon W 2155

VS

Opteron A1120

General Parameters

Aug 2017

Release Date

Jan 2016

Intel

Manufacturer

AMD

Server

Type

Server

Skylake-W

Core Architecture

Seattle

Intel Socket 2066

Socket

AMD Socket SP1

N/A

Integrated Graphics

N/A

Xeon W (Skylake-W)

Generation

Opteron (Seattle)

Package

14 nm

Manufacturing Process

28 nm

140 W

Power Consumption

25 W

68 °C

Peak Operating Temperature

-

Intel

Foundry

GlobalFoundries

484 mm²

Die Size

182 mm²

CPU Performance

3.3 GHz

Performance Core Base Frequency

1.7 GHz

4.5 GHz

Performance Core Turbo Frequency

0

10

Total Core Count

4

20

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

33.0

Multiplier

17.0

64 K per core

L1 Cache

80 K per core

1 MB per core

L2 Cache

2 MB shared

13.75 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

1

SMP

1

2

AVX-512 FMA Ports

-

Memory Parameters

DDR4-2666

Memory Types

DDR3,DDR4-1866

4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

3

48

PCIe Lanes

8

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