Intel Xeon E5 2666 v3 vs Intel Xeon Phi 7120A

VS

Intel Xeon E5-2666 v3

Intel Xeon Phi 7120A

We compared two server CPUs: Intel Xeon E5 2666 v3 with 10 cores 2.9GHz and Intel Xeon Phi 7120A with 61 cores 1.238GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 2666 v3 's Advantages

Released 7 months late

Higher specification of memory (2133 vs 4)

Higher base frequency (2.9GHz vs 1.238GHz)

Lower TDP (135W vs 300W)

Score

Intel Xeon E5 2666 v3

VS

Intel Xeon Phi 7120A

General Parameters

Nov 2014

Release Date

Apr 2014

Intel

Manufacturer

PCIe

Server

Type

Server

Haswell-EP

Core Architecture

Knights Corner

Intel Socket 2011-3

Socket

PCIe x16

N/A

Integrated Graphics

N/A

Xeon E5 (Haswell-EP)

Generation

Xeon Phi (Knights Corner)

Package

2.6 billions

Transistor Count

5 billions

22 nm

Manufacturing Process

22 nm

135 W

Power Consumption

300 W

Intel

Foundry

Intel

356 mm²

Die Size

350 mm²

CPU Performance

2.9 GHz

Performance Core Base Frequency

1.238 GHz

3.5 GHz

Performance Core Turbo Frequency

1.333 GHz

10

Total Core Count

61

20

Total Thread Count

244

100 MHz

Bus Frequency

100 MHz

29.0

Multiplier

12.0

64 K per core

L1 Cache

32 K per core

256 K per core

L2 Cache

512 K per core

25 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR4-2133,DDR3-2133

Memory Types

DDR3,DDR4

4

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

40

PCIe Lanes

-

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