Intel Xeon Phi 7120D vs Intel Xeon E5640

VS

Intel Xeon Phi 7120D

Intel Xeon E5640

We compared two server CPUs: Intel Xeon Phi 7120D with 61 cores 1.238GHz and Intel Xeon E5640 with 4 cores 2.666GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon Phi 7120D 's Advantages

Released 4 years late

Higher specification of memory (4 vs 3)

More modern manufacturing process (22nm vs 32nm)

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 1.238GHz)

Lower TDP (80W vs 270W)

Score

Intel Xeon Phi 7120D

VS

Intel Xeon E5640

General Parameters

Mar 2014

Release Date

Mar 2010

SFF

Manufacturer

Intel

Server

Type

Server

Knights Corner

Core Architecture

Westmere-EP

SFF 230-Pin

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Corner)

Generation

Xeon (Westmere-EP)

Package

5 billions

Transistor Count

1.17 billions

22 nm

Manufacturing Process

32 nm

270 W

Power Consumption

80 W

Intel

Foundry

Intel

350 mm²

Die Size

239 mm²

CPU Performance

1.238 GHz

Performance Core Base Frequency

2.666 GHz

1.333 GHz

Performance Core Turbo Frequency

2.933 GHz

61

Total Core Count

4

244

Total Thread Count

8

100 MHz

Bus Frequency

133 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

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR3

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

2

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