Intel Xeon E5649 vs Intel Xeon Phi 7120A

VS

Intel Xeon E5649

Intel Xeon Phi 7120A

We compared two server CPUs: Intel Xeon E5649 with 6 cores 2.533GHz 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 E5649 's Advantages

Higher base frequency (2.533GHz vs 1.238GHz)

Lower TDP (80W vs 300W)

Intel Xeon Phi 7120A 's Advantages

Released 3 years and 2 months late

Higher specification of memory (4 vs 3)

More modern manufacturing process (22nm vs 32nm)

Score

Intel Xeon E5649

VS

Intel Xeon Phi 7120A

General Parameters

Feb 2011

Release Date

Apr 2014

Intel

Manufacturer

PCIe

Server

Type

Server

Westmere-EP

Core Architecture

Knights Corner

Intel Socket 1366

Socket

PCIe x16

N/A

Integrated Graphics

N/A

Xeon (Westmere-EP)

Generation

Xeon Phi (Knights Corner)

Package

1.17 billions

Transistor Count

5 billions

32 nm

Manufacturing Process

22 nm

80 W

Power Consumption

300 W

Intel

Foundry

Intel

239 mm²

Die Size

350 mm²

CPU Performance

2.533 GHz

Performance Core Base Frequency

1.238 GHz

2.8 GHz

Performance Core Turbo Frequency

1.333 GHz

6

Total Core Count

61

12

Total Thread Count

244

133 MHz

Bus Frequency

100 MHz

19.0

Multiplier

12.0

64 K per core

L1 Cache

32 K per core

256 K per core

L2 Cache

512 K per core

12 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3,DDR4

3

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

-

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