Intel Xeon Phi 7120A vs Intel Xeon E3 1275 v3

VS

Intel Xeon Phi 7120A

Intel Xeon E3-1275 v3

We compared two server CPUs: Intel Xeon Phi 7120A with 61 cores 1.238GHz and Intel Xeon E3 1275 v3 with 4 cores 3.5GHz . 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 10 months late

Intel Xeon E3 1275 v3 's Advantages

Higher base frequency (3.5GHz vs 1.238GHz)

Lower TDP (84W vs 300W)

Score

Intel Xeon Phi 7120A

VS

Intel Xeon E3 1275 v3

General Parameters

Apr 2014

Release Date

Jun 2013

PCIe

Manufacturer

Intel

Server

Type

Server

Knights Corner

Core Architecture

Haswell-WS

PCIe x16

Socket

Intel Socket 1150

N/A

Integrated Graphics

Intel HD P4600

Xeon Phi (Knights Corner)

Generation

Xeon E3 (Haswell-WS)

Package

5 billions

Transistor Count

1.4 billions

22 nm

Manufacturing Process

22 nm

300 W

Power Consumption

84 W

Intel

Foundry

Intel

350 mm²

Die Size

160 mm²

CPU Performance

1.238 GHz

Performance Core Base Frequency

3.5 GHz

1.333 GHz

Performance Core Turbo Frequency

3.9 GHz

61

Total Core Count

4

244

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

12.0

Multiplier

35.0

32 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

-

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3,DDR4

Memory Types

DDR3,DDR4

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

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