Intel Xeon Phi 3120P vs Intel Xeon E7 8880 v3

VS

Intel Xeon Phi 3120P

Intel Xeon E7-8880 v3

We compared two server CPUs: Intel Xeon Phi 3120P with 57 cores 1.1GHz and Intel Xeon E7 8880 v3 with 18 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E7 8880 v3 's Advantages

Released 2 years late

Higher specification of memory (1866 vs 4)

Higher base frequency (2.3GHz vs 1.1GHz)

Lower TDP (150W vs 300W)

Score

Intel Xeon Phi 3120P

VS

Intel Xeon E7 8880 v3

General Parameters

Jun 2013

Release Date

Jun 2015

PCIe

Manufacturer

Intel

Server

Type

Server

Knights Corner

Core Architecture

Haswell-EX

PCIe x16

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Corner)

Generation

Xeon E7 (Haswell-EX)

Package

5 billions

Transistor Count

1.4 billions

22 nm

Manufacturing Process

22 nm

300 W

Power Consumption

150 W

-

Peak Operating Temperature

77 °C

Intel

Foundry

Intel

350 mm²

Die Size

160 mm²

CPU Performance

1.1 GHz

Performance Core Base Frequency

2.3 GHz

0

Performance Core Turbo Frequency

3.1 GHz

57

Total Core Count

18

228

Total Thread Count

36

100 MHz

Bus Frequency

100 MHz

11.0

Multiplier

23.0

32 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

-

L3 Cache

45 MB shared

No

Unlocked Multiplier

No

1

SMP

8

Memory Parameters

DDR3,DDR4

Memory Types

DDR3,DDR4-1866

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

32

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