Intel Xeon Phi 7120A vs Intel Xeon E5 2665

VS

Intel Xeon Phi 7120A

Intel Xeon E5-2665

We compared two server CPUs: Intel Xeon Phi 7120A with 61 cores 1.238GHz and Intel Xeon E5 2665 with 8 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon Phi 7120A 's Advantages

Released 2 years and 1 months late

Higher specification of memory (4 vs 3)

More modern manufacturing process (22nm vs 32nm)

Intel Xeon E5 2665 's Advantages

Higher base frequency (2.4GHz vs 1.238GHz)

Lower TDP (115W vs 300W)

Score

Intel Xeon Phi 7120A

VS

Intel Xeon E5 2665

General Parameters

Apr 2014

Release Date

Mar 2012

PCIe

Manufacturer

Intel

Server

Type

Server

Knights Corner

Core Architecture

Sandy Bridge-EP

PCIe x16

Socket

Intel Socket 2011

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Corner)

Generation

Xeon E5 (Sandy Bridge-EP)

Package

5 billions

Transistor Count

2.27 billions

22 nm

Manufacturing Process

32 nm

300 W

Power Consumption

115 W

Intel

Foundry

Intel

350 mm²

Die Size

435 mm²

CPU Performance

1.238 GHz

Performance Core Base Frequency

2.4 GHz

1.333 GHz

Performance Core Turbo Frequency

3.1 GHz

61

Total Core Count

8

244

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

12.0

Multiplier

24.0

32 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

-

L3 Cache

20 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR3

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

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