Intel Xeon E3 1275 v2 vs Intel Xeon Phi 7120D

VS

Intel Xeon E3-1275 v2

Intel Xeon Phi 7120D

We compared two server CPUs: Intel Xeon E3 1275 v2 with 4 cores 3.5GHz 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

Intel Xeon E3 1275 v2 's Advantages

Higher base frequency (3.5GHz vs 1.238GHz)

Lower TDP (77W vs 270W)

Intel Xeon Phi 7120D 's Advantages

Released 1 years and 10 months late

Higher specification of memory (4 vs 3)

Score

Intel Xeon E3 1275 v2

VS

Intel Xeon Phi 7120D

General Parameters

May 2012

Release Date

Mar 2014

Intel

Manufacturer

SFF

Server

Type

Server

Ivy Bridge

Core Architecture

Knights Corner

Intel Socket 1155

Socket

SFF 230-Pin

Intel HD P4000

Integrated Graphics

N/A

Xeon E3 (Ivy Bridge)

Generation

Xeon Phi (Knights Corner)

Package

1.4 billions

Transistor Count

5 billions

22 nm

Manufacturing Process

22 nm

77 W

Power Consumption

270 W

Intel

Foundry

Intel

160 mm²

Die Size

350 mm²

CPU Performance

3.5 GHz

Performance Core Base Frequency

1.238 GHz

3.9 GHz

Performance Core Turbo Frequency

1.333 GHz

4

Total Core Count

61

8

Total Thread Count

244

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

12.0

64 K per core

L1 Cache

32 K per core

256 K per core

L2 Cache

512 K per core

8 MB shared

L3 Cache

-

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3

Memory Types

DDR3,DDR4

2

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

16

PCIe Lanes

-

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