Intel Xeon E3 1275 vs Intel Xeon Phi 7285

VS

Intel Xeon E3-1275

Intel Xeon Phi 7285

We compared two server CPUs: Intel Xeon E3 1275 with 4 cores 3.4GHz and Intel Xeon Phi 7285 with 68 cores 1.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Xeon E3 1275 's Advantages

Higher base frequency (3.4GHz vs 1.3GHz)

Lower TDP (95W vs 250W)

Intel Xeon Phi 7285 's Advantages

Released 6 years and 8 months late

Higher specification of memory (4 vs 3)

More modern manufacturing process (14nm vs 32nm)

Score

Intel Xeon E3 1275

VS

Intel Xeon Phi 7285

General Parameters

Apr 2011

Release Date

Dec 2017

Intel

Manufacturer

Intel

Server

Type

Server

Sandy Bridge

Core Architecture

Knights Mill

Intel Socket 1155

Socket

Intel Socket 3647

Intel HD P3000

Integrated Graphics

N/A

Xeon E3 (Sandy Bridge)

Generation

Xeon Phi (Knights Mill)

Package

1.16 billions

Transistor Count

8 billions

32 nm

Manufacturing Process

14 nm

95 W

Power Consumption

250 W

Intel

Foundry

Intel

216 mm²

Die Size

-

CPU Performance

3.4 GHz

Performance Core Base Frequency

1.3 GHz

3.8 GHz

Performance Core Turbo Frequency

1.4 GHz

4

Total Core Count

68

8

Total Thread Count

272

100 MHz

Bus Frequency

100 MHz

34.0

Multiplier

13.0

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

DDR4

2

Max Memory Channels

Yes

ECC Memory Support

Yes

Miscellaneous

3

PCIe Version

-

16

PCIe Lanes

-

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