Intel Xeon Phi 7120D vs Xeon E7 2820

VS

Intel Xeon Phi 7120D

Intel Xeon E7-2820

We compared two server CPUs: Intel Xeon Phi 7120D with 61 cores 1.238GHz and Xeon E7 2820 with 8 cores 2GHz . 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 2 years and 11 months late

More modern manufacturing process (22nm vs 32nm)

Xeon E7 2820 's Advantages

Higher specification of memory (1333 vs 4)

Higher base frequency (2GHz vs 1.238GHz)

Lower TDP (105W vs 270W)

Score

Intel Xeon Phi 7120D

VS

Xeon E7 2820

General Parameters

Mar 2014

Release Date

Apr 2011

SFF

Manufacturer

Intel

Server

Type

Server

Knights Corner

Core Architecture

Westmere-EX

SFF 230-Pin

Socket

Intel Socket 1567

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Corner)

Generation

Xeon E7(Westmere-EX)

Package

5 billions

Transistor Count

2.6 billions

22 nm

Manufacturing Process

32 nm

270 W

Power Consumption

105 W

Intel

Foundry

Intel

350 mm²

Die Size

513 mm²

CPU Performance

1.238 GHz

Performance Core Base Frequency

2 GHz

1.333 GHz

Performance Core Turbo Frequency

2.266 GHz

61

Total Core Count

8

244

Total Thread Count

16

100 MHz

Bus Frequency

133 MHz

12.0

Multiplier

15.0

32 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

256 KB per core

-

L3 Cache

18 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3,DDR4

Memory Types

DDR3-1333

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

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