Atom S1220 vs Xeon L5645

VS

Intel Atom S1220

Intel Xeon L5645

We compared two server CPUs: Atom S1220 with 2 cores 1.6GHz and Xeon L5645 with 6 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Atom S1220 's Advantages

Released 1 years and 10 months late

Lower TDP (8W vs 60W)

Xeon L5645 's Advantages

Higher specification of memory (1333 vs 3)

Higher base frequency (2.4GHz vs 1.6GHz)

Score

Atom S1220

VS

Xeon L5645

General Parameters

Dec 2012

Release Date

Feb 2011

Intel

Manufacturer

Intel

Server

Type

Server

Centerton

Core Architecture

Westmere-EP

Intel BGA 1283

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Atom (Centerton)

Generation

Xeon(Westmere-EP)

Package

-

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

8 W

Power Consumption

60 W

Intel

Foundry

Intel

-

Die Size

239 mm²

CPU Performance

1.6 GHz

Performance Core Base Frequency

2.4 GHz

0

Performance Core Turbo Frequency

2.933 GHz

2

Total Core Count

6

4

Total Thread Count

12

100 MHz

Bus Frequency

133 MHz

16.0

Multiplier

18.0

56 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

256 KB per core

-

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

1

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3-1333

Max Memory Channels

3

No

ECC Memory Support

Yes

Miscellaneous

-

PCIe Version

2

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