Intel Processors

I3, I5, I7

What is a processor?Brain

EvolvedBasic arithmetic and

logic

i3 Core Processor

January 2010MobileLacking

BasicsClarkdale(32nm,

integrated graphics)Graphics processing

unit2 cores

More Clarkdale(I3)Not mobilePeoples needsArrandale

Arrandale(I3)Low speedsNo turboNo Error correction

code

What is ECC?Computer data

storageDetect and correct

common

DifferencesMobile (A)4Mb L3 cache(C)Both have 2 cores

L3 Cache?Buffer closer to core

Help traffic between cores

I5 ProcessorSeptember 2009Nehalem Lynnfield + old

systemsNo hyperthreading

Lynnfield 4 core processor45 nm Direct media

interface

Direct Media InterfaceConnects North to

South on mother board

Hyper-threading Combining threads

to increase efficiency of computer (clarkdale)

I3 I5

2 4(some)8 MB L3 cacheSome I3 similar

i7

High EndDual, quad, and

hexicore64 bit

Arrandale

Dual core4 mb L332 nmHyperthreading

Bloomfield, Lynnfield

Quad Core8 MB45 nmHyperthreading

Gulftown

6 cores12 MB32 nmHyperthreading

Performance

i3 i5

2.93-3.33 GHz Quad- 2.4-2.8 GHzDual- 3.2-3.6 GHz

I7 Performance

Quad- 2.53-3.33 GHz6 core- 3.2- 3.46 GHz