Intel Xeon Phi 7120A vs Intel Xeon E5 2686 v3

VS

Intel Xeon Phi 7120A

Intel Xeon E5-2686 v3

We compared two server CPUs: Intel Xeon Phi 7120A with 61 cores 1.238GHz and Intel Xeon E5 2686 v3 with 18 cores 2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2686 v3 's Advantages

Higher specification of memory (2133 vs 4)

Higher base frequency (2GHz vs 1.238GHz)

Lower TDP (120W vs 300W)

Score

Intel Xeon Phi 7120A

VS

Intel Xeon E5 2686 v3

General Parameters

Apr 2014

Release Date

Sep 2014

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

300 W

Power Consumption

120 W

-

Peak Operating Temperature

83 °C

Intel

Foundry

Intel

350 mm²

Die Size

356 mm²

CPU Performance

1.238 GHz

Performance Core Base Frequency

2 GHz

1.333 GHz

Performance Core Turbo Frequency

3.5 GHz

61

Total Core Count

18

244

Total Thread Count

36

100 MHz

Bus Frequency

100 MHz

12.0

Multiplier

20.0

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

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR3,DDR4-2133

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

40

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