Intel Xeon Phi 7120P vs Opteron A1120

VS

Intel Xeon Phi 7120P

AMD Opteron A1120

We compared two server CPUs: Intel Xeon Phi 7120P with 61 cores 1.238GHz 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 Phi 7120P 's Advantages

More modern manufacturing process (22nm vs 28nm)

Opteron A1120 's Advantages

Released 2 years and 7 months late

Higher specification of memory (1866 vs 4)

Higher base frequency (1.7GHz vs 1.238GHz)

Lower TDP (25W vs 300W)

Score

Intel Xeon Phi 7120P

VS

Opteron A1120

General Parameters

Jun 2013

Release Date

Jan 2016

Intel

Manufacturer

AMD

Server

Type

Server

Knights Corner

Core Architecture

Seattle

PCIe x16

Socket

AMD Socket SP1

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Corner)

Generation

Opteron (Seattle)

Package

5 billions

Transistor Count

-

22 nm

Manufacturing Process

28 nm

300 W

Power Consumption

25 W

Intel

Foundry

GlobalFoundries

350 mm²

Die Size

182 mm²

CPU Performance

1.238 GHz

Performance Core Base Frequency

1.7 GHz

1.333 GHz

Performance Core Turbo Frequency

0

61

Total Core Count

4

244

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

12.0

Multiplier

17.0

32 K per core

L1 Cache

80 K per core

512 K per core

L2 Cache

2 MB shared

-

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3,DDR4

Memory Types

DDR3,DDR4-1866

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

8

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