Intel Xeon Phi 7295 vs Intel Xeon E7 8870 v3

VS

Intel Xeon Phi 7295

Intel Xeon E7-8870 v3

We compared two server CPUs: Intel Xeon Phi 7295 with 72 cores 1.5GHz and Intel Xeon E7 8870 v3 with 18 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon Phi 7295 's Advantages

Released 2 years and 6 months late

More modern manufacturing process (14nm vs 22nm)

Intel Xeon E7 8870 v3 's Advantages

Higher specification of memory (1866 vs 4)

Higher base frequency (2.1GHz vs 1.5GHz)

Lower TDP (140W vs 320W)

Score

Intel Xeon Phi 7295

VS

Intel Xeon E7 8870 v3

General Parameters

Dec 2017

Release Date

Jun 2015

Intel

Manufacturer

Intel

Server

Type

Server

Knights Mill

Core Architecture

Haswell-EX

Intel Socket 3647

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Mill)

Generation

Xeon E7 (Haswell-EX)

Package

8 billions

Transistor Count

1.4 billions

14 nm

Manufacturing Process

22 nm

320 W

Power Consumption

140 W

-

Peak Operating Temperature

75 °C

Intel

Foundry

Intel

-

Die Size

160 mm²

CPU Performance

1.5 GHz

Performance Core Base Frequency

2.1 GHz

1.6 GHz

Performance Core Turbo Frequency

2.9 GHz

72

Total Core Count

18

288

Total Thread Count

36

100 MHz

Bus Frequency

100 MHz

15.0

Multiplier

21.0

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

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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