Intel Xeon E7 8870 v3 vs Intel Xeon Phi 31S1P

VS

Intel Xeon E7-8870 v3

Intel Xeon Phi 31S1P

We compared two server CPUs: Intel Xeon E7 8870 v3 with 18 cores 2.1GHz and Intel Xeon Phi 31S1P with 57 cores 1.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E7 8870 v3 's Advantages

Released 2 years late

Higher specification of memory (1866 vs 4)

Higher base frequency (2.1GHz vs 1.1GHz)

Lower TDP (140W vs 270W)

Score

Intel Xeon E7 8870 v3

VS

Intel Xeon Phi 31S1P

General Parameters

Jun 2015

Release Date

Jun 2013

Intel

Manufacturer

PCIe

Server

Type

Server

Haswell-EX

Core Architecture

Knights Corner

Intel Socket 2011-3

Socket

PCIe x16

N/A

Integrated Graphics

N/A

Xeon E7 (Haswell-EX)

Generation

Xeon Phi (Knights Corner)

Package

1.4 billions

Transistor Count

5 billions

22 nm

Manufacturing Process

22 nm

140 W

Power Consumption

270 W

75 °C

Peak Operating Temperature

-

Intel

Foundry

Intel

160 mm²

Die Size

350 mm²

CPU Performance

2.1 GHz

Performance Core Base Frequency

1.1 GHz

2.9 GHz

Performance Core Turbo Frequency

0

18

Total Core Count

57

36

Total Thread Count

228

100 MHz

Bus Frequency

100 MHz

21.0

Multiplier

11.0

64 K per core

L1 Cache

32 K per core

256 K per core

L2 Cache

512 K per core

45 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

8

SMP

1

Memory Parameters

DDR3,DDR4-1866

Memory Types

DDR3,DDR4

2

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

32

PCIe Lanes

-

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