Intel Xeon Phi 7120X vs Intel Xeon E3 1275 v5

VS

Intel Xeon Phi 7120X

Intel Xeon E3-1275 v5

We compared two server CPUs: Intel Xeon Phi 7120X with 61 cores 1.238GHz and Intel Xeon E3 1275 v5 with 4 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 v5 's Advantages

Released 2 years and 4 months late

Higher specification of memory (2133 vs 4)

Higher base frequency (3.6GHz vs 1.238GHz)

More modern manufacturing process (14nm vs 22nm)

Lower TDP (80W vs 300W)

Score

Intel Xeon Phi 7120X

VS

Intel Xeon E3 1275 v5

General Parameters

Jun 2013

Release Date

Oct 2015

PCIe

Manufacturer

Intel

Server

Type

Server

Knights Corner

Core Architecture

Skylake-DT

PCIe x16

Socket

Intel Socket 1151

N/A

Integrated Graphics

HD Graphics P530

Xeon Phi (Knights Corner)

Generation

Xeon E3 (Skylake-DT)

Package

5 billions

Transistor Count

1.75 billions

22 nm

Manufacturing Process

14 nm

300 W

Power Consumption

80 W

Intel

Foundry

Intel

350 mm²

Die Size

122 mm²

CPU Performance

1.238 GHz

Performance Core Base Frequency

3.6 GHz

1.333 GHz

Performance Core Turbo Frequency

4 GHz

61

Total Core Count

4

244

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

12.0

Multiplier

36.0

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,DDR4-2133

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

16

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