Atom S1220 vs Intel Xeon E5 2666 v3

VS

Intel Atom S1220

Intel Xeon E5-2666 v3

We compared two server CPUs: Atom S1220 with 2 cores 1.6GHz and Intel Xeon E5 2666 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

Atom S1220 's Advantages

Lower TDP (8W vs 135W)

Intel Xeon E5 2666 v3 's Advantages

Released 1 years and 11 months late

Higher specification of memory (2133 vs 3)

Higher base frequency (2.9GHz vs 1.6GHz)

More modern manufacturing process (22nm vs 32nm)

Score

Atom S1220

VS

Intel Xeon E5 2666 v3

General Parameters

Dec 2012

Release Date

Nov 2014

Intel

Manufacturer

Intel

Server

Type

Server

Centerton

Core Architecture

Haswell-EP

Intel BGA 1283

Socket

Intel Socket 2011-3

N/A

Integrated Graphics

N/A

Atom (Centerton)

Generation

Xeon E5 (Haswell-EP)

Package

-

Transistor Count

2.6 billions

32 nm

Manufacturing Process

22 nm

8 W

Power Consumption

135 W

Intel

Foundry

Intel

-

Die Size

356 mm²

CPU Performance

1.6 GHz

Performance Core Base Frequency

2.9 GHz

0

Performance Core Turbo Frequency

3.5 GHz

2

Total Core Count

10

4

Total Thread Count

20

100 MHz

Bus Frequency

100 MHz

16.0

Multiplier

29.0

56 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

2

Memory Parameters

DDR3

Memory Types

DDR4-2133,DDR3-2133

Max Memory Channels

4

No

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

3

-

PCIe Lanes

40

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