Intel Xeon Phi 31S1P vs Intel Xeon E5649

VS

Intel Xeon Phi 31S1P

Intel Xeon E5649

We compared two server CPUs: Intel Xeon Phi 31S1P with 57 cores 1.1GHz and Intel Xeon E5649 with 6 cores 2.533GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon Phi 31S1P 's Advantages

Released 2 years and 4 months late

Higher specification of memory (4 vs 3)

More modern manufacturing process (22nm vs 32nm)

Intel Xeon E5649 's Advantages

Higher base frequency (2.533GHz vs 1.1GHz)

Lower TDP (80W vs 270W)

Score

Intel Xeon Phi 31S1P

VS

Intel Xeon E5649

General Parameters

Jun 2013

Release Date

Feb 2011

PCIe

Manufacturer

Intel

Server

Type

Server

Knights Corner

Core Architecture

Westmere-EP

PCIe x16

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

1.1 GHz

Performance Core Base Frequency

2.533 GHz

0

Performance Core Turbo Frequency

2.8 GHz

57

Total Core Count

6

228

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

11.0

Multiplier

19.0

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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