Intel Xeon Phi 7250 vs Intel Xeon E5 2643 v3

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Intel Xeon Phi 7250 Intel Xeon E5 2643 v3

We compared two server CPUs: Intel Xeon Phi 7250 with 68 cores 1.4GHz and Intel Xeon E5 2643 v3 with 6 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon Phi 7250 's Advantages

Released 1 years and 9 months late

More modern manufacturing process (14nm vs 22nm)

Intel Xeon E5 2643 v3 's Advantages

Higher specification of memory (DDR4-2133 vs DDR4)

Higher base frequency (3.4GHz vs 1.4GHz)

Lower TDP (135W vs 215W)

Score

Benchmark

Geekbench 6 Single Core

Intel Xeon Phi 7250

162

Intel Xeon E5 2643 v3 +633%

1188

Geekbench 6 Multi Core

Intel Xeon Phi 7250

2414

Intel Xeon E5 2643 v3 +247%

8391

Intel Xeon Phi 7250

VS

Intel Xeon E5 2643 v3

General Parameters

Jun 2016

Release Date

Sep 2014

Intel

Manufacturer

Intel

Server

Type

Server

Knights Landing

Core Architecture

Haswell-EP

Intel Socket 3647

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Landing)

Generation

Xeon E5 (Haswell-EP)

Package

8 billions

Transistor Count

2.6 billions

14 nm

Manufacturing Process

22 nm

Intel Socket 3647

Socket

Intel Socket 2011-3

215 W

Power Consumption

135 W

Intel

Foundry

Intel

-

Die Size

356 mm²

FC-LGA3647

Package

FC-LGA12A

CPU Performance

1.4 GHz

Performance Core Base Frequency

3.4 GHz

1.6 GHz

Performance Core Turbo Frequency

3.7 GHz

68

Total Core Count

6

272

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

14.0

Multiplier

34.0

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

DDR4

Memory Types

DDR4-2133

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

40

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