Intel Xeon Phi 3120P vs Intel Xeon E5 2678 v3

VS

Intel Xeon Phi 3120P Intel Xeon E5 2678 v3

We compared two server CPUs: Intel Xeon Phi 3120P with 57 cores 1.1GHz and Intel Xeon E5 2678 v3 with 12 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2678 v3 's Advantages

Released 1 years and 7 months late

Higher base frequency (2.5GHz vs 1.1GHz)

Lower TDP (120W vs 300W)

Score

Intel Xeon Phi 3120P

VS

Intel Xeon E5 2678 v3

General Parameters

Jun 2013

Release Date

Jan 2015

PCIe

Manufacturer

Intel

Server

Type

Server

Knights Corner

Core Architecture

Haswell-EP

PCIe x16

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Corner)

Generation

Xeon E5 (Haswell-EP)

Package

5 billions

Transistor Count

2.6 billions

22 nm

Manufacturing Process

22 nm

PCIe x16

Socket

Intel Socket 2011-3

300 W

Power Consumption

120 W

Intel

Foundry

Intel

350 mm²

Die Size

356 mm²

PCIe x16

Package

FC-LGA12A

CPU Performance

1.1 GHz

Performance Core Base Frequency

2.5 GHz

0

Performance Core Turbo Frequency

3.3 GHz

57

Total Core Count

12

228

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

11.0

Multiplier

25.0

32 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

-

L3 Cache

30 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,

Memory Types

DDR3,

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

40

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