Xeon E7 2820 vs Intel Xeon Phi 7120D

VS

Intel Xeon E7-2820

Intel Xeon Phi 7120D

We compared two server CPUs: Xeon E7 2820 with 8 cores 2GHz and Intel Xeon Phi 7120D with 61 cores 1.238GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Xeon E7 2820 's Advantages

Higher specification of memory (1333 vs 4)

Higher base frequency (2GHz vs 1.238GHz)

Lower TDP (105W vs 270W)

Intel Xeon Phi 7120D 's Advantages

Released 2 years and 11 months late

More modern manufacturing process (22nm vs 32nm)

Score

Xeon E7 2820

VS

Intel Xeon Phi 7120D

General Parameters

Apr 2011

Release Date

Mar 2014

Intel

Manufacturer

SFF

Server

Type

Server

Westmere-EX

Core Architecture

Knights Corner

Intel Socket 1567

Socket

SFF 230-Pin

N/A

Integrated Graphics

N/A

Xeon E7(Westmere-EX)

Generation

Xeon Phi (Knights Corner)

Package

2.6 billions

Transistor Count

5 billions

32 nm

Manufacturing Process

22 nm

105 W

Power Consumption

270 W

Intel

Foundry

Intel

513 mm²

Die Size

350 mm²

CPU Performance

2 GHz

Performance Core Base Frequency

1.238 GHz

2.266 GHz

Performance Core Turbo Frequency

1.333 GHz

8

Total Core Count

61

16

Total Thread Count

244

133 MHz

Bus Frequency

100 MHz

15.0

Multiplier

12.0

64 KB per core

L1 Cache

32 K per core

256 KB per core

L2 Cache

512 K per core

18 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

2

SMP

1

Memory Parameters

DDR3-1333

Memory Types

DDR3,DDR4

4

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

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