Intel Xeon Phi 3120P vs Intel Xeon E5 1681 v3

VS

Intel Xeon Phi 3120P

Intel Xeon E5-1681 v3

We compared two server CPUs: Intel Xeon Phi 3120P with 57 cores 1.1GHz and Intel Xeon E5 1681 v3 with 10 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E5 1681 v3 's Advantages

Released 1 years and 3 months late

Higher specification of memory (2133 vs 4)

Higher base frequency (2.9GHz vs 1.1GHz)

Lower TDP (135W vs 300W)

Score

Intel Xeon Phi 3120P

VS

Intel Xeon E5 1681 v3

General Parameters

Jun 2013

Release Date

Sep 2014

PCIe

Manufacturer

Intel

Server

Type

Server

Knights Corner

Core Architecture

Haswell-EP

PCIe x16

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Xeon Phi (Knights Corner)

Generation

Xeon E5 (Haswell-EP)

Package

5 billions

Transistor Count

2.6 billions

22 nm

Manufacturing Process

22 nm

300 W

Power Consumption

135 W

Intel

Foundry

Intel

350 mm²

Die Size

356 mm²

CPU Performance

1.1 GHz

Performance Core Base Frequency

2.9 GHz

0

Performance Core Turbo Frequency

3.5 GHz

57

Total Core Count

10

228

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

11.0

Multiplier

29.0

32 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

256 K per core

-

L3 Cache

25 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR3,DDR4

Memory Types

DDR4-2133

Max Memory Channels

4

Yes

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

40

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