Intel Xeon E3 1280 vs Intel Xeon Phi 7120A

VS

Intel Xeon E3-1280

Intel Xeon Phi 7120A

We compared two server CPUs: Intel Xeon E3 1280 with 4 cores 3.5GHz and Intel Xeon Phi 7120A 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 1280 's Advantages

Higher base frequency (3.5GHz vs 1.238GHz)

Lower TDP (95W vs 300W)

Intel Xeon Phi 7120A 's Advantages

Released 3 years late

Higher specification of memory (4 vs 3)

More modern manufacturing process (22nm vs 32nm)

Score

Intel Xeon E3 1280

VS

Intel Xeon Phi 7120A

General Parameters

Apr 2011

Release Date

Apr 2014

Intel

Manufacturer

PCIe

Server

Type

Server

Sandy Bridge

Core Architecture

Knights Corner

Intel Socket 1155

Socket

PCIe x16

N/A

Integrated Graphics

N/A

Xeon E3 (Sandy Bridge)

Generation

Xeon Phi (Knights Corner)

Package

1.16 billions

Transistor Count

5 billions

32 nm

Manufacturing Process

22 nm

95 W

Power Consumption

300 W

Intel

Foundry

Intel

216 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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