Intel Xeon Phi 7120A vs Xeon E7 2870

VS

Intel Xeon Phi 7120A

Intel Xeon E7-2870

We compared two server CPUs: Intel Xeon Phi 7120A with 61 cores 1.238GHz and Xeon E7 2870 with 10 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon Phi 7120A 's Advantages

Released 3 years late

More modern manufacturing process (22nm vs 32nm)

Xeon E7 2870 's Advantages

Higher specification of memory (1333 vs 4)

Higher base frequency (2.4GHz vs 1.238GHz)

Lower TDP (130W vs 300W)

Score

Intel Xeon Phi 7120A

VS

Xeon E7 2870

General Parameters

Apr 2014

Release Date

Apr 2011

PCIe

Manufacturer

Intel

Server

Type

Server

Knights Corner

Core Architecture

Westmere-EX

PCIe x16

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

300 W

Power Consumption

130 W

Intel

Foundry

Intel

350 mm²

Die Size

513 mm²

CPU Performance

1.238 GHz

Performance Core Base Frequency

2.4 GHz

1.333 GHz

Performance Core Turbo Frequency

2.8 GHz

61

Total Core Count

10

244

Total Thread Count

20

100 MHz

Bus Frequency

133 MHz

12.0

Multiplier

18.0

32 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

256 KB per core

-

L3 Cache

30 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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