Intel Xeon Phi 7235 vs Intel Xeon E5640

VS

Intel Xeon Phi 7235

Intel Xeon E5640

We compared two server CPUs: Intel Xeon Phi 7235 with 64 cores 1.3GHz 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 7235 's Advantages

Released 7 years and 9 months late

Higher specification of memory (4 vs 3)

More modern manufacturing process (14nm vs 32nm)

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 1.3GHz)

Lower TDP (80W vs 250W)

Score

Intel Xeon Phi 7235

VS

Intel Xeon E5640

General Parameters

Dec 2017

Release Date

Mar 2010

Intel

Manufacturer

Intel

Server

Type

Server

Knights Mill

Core Architecture

Westmere-EP

Intel Socket 3647

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Mill)

Generation

Xeon (Westmere-EP)

Package

8 billions

Transistor Count

1.17 billions

14 nm

Manufacturing Process

32 nm

250 W

Power Consumption

80 W

Intel

Foundry

Intel

-

Die Size

239 mm²

CPU Performance

1.3 GHz

Performance Core Base Frequency

2.666 GHz

1.4 GHz

Performance Core Turbo Frequency

2.933 GHz

64

Total Core Count

4

256

Total Thread Count

8

100 MHz

Bus Frequency

133 MHz

13.0

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

DDR4

Memory Types

DDR3

Max Memory Channels

3

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

2

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