Thursday, February 5, 2015

Informatii despre procesorul AMD

Procesorul este inima calculatorului si creierul lui in acelasi timp.

Procesorul intetine toate functiile de baza ale unitatii centrale(CPU) a unui calculator sau a unui sistem electronic structurat. Reprezintă forma structurală cea mai complexă pe care o pot avea circuitele integrate. El este responsabil de toate activitățile întregului sistem în care este integrat și poate prelucra datele furnizate de utilizator. Este elementul principal al unui sistem de calcul; cipul semiconductor, care este plasat pe placa de bază numită motherboard (en), este de obicei foarte complex, putând ajunge să conțină de milioane de foarte mici transistoare (microtranzistoare).

Acum putem sa ne intrebam: ce procesor alegem?

Decizia voastra in alegerea procesorului va determina alegerea placii de baza si practic performanta intregului sistem. Acum ne punem intrebarea: care e treaba cu AMD?

A fost un moment in istorie cand arhitecturile Intel si AMD erau comparabile din punct de vedere al performantei la aceeasi frecventa. Imi aduc aminte de batalia dura ce s-a dat acum mai bine de un deceniu intre Pentium III si Athlon pe piata procesoarelor pentru calculatoare PC.
Concurenta pentru atingerea frecventei de 1GHz a fost acerba si a fost castigata de AMD, Athlon 1GHz fiind la un moment dat cel mai rapid procesor de pe piata. In general procesoarele AMD Athlon erau mai rapide decat echivalentele de la Intel ruland la aceeasi frecventa dar aveau dese probleme de supraincalzire precum si instabilitati determinate si de chipset-urile de cele mai multe ori imature de pe placile de baza.

Totusi cota de piata AMD a continuat sa creasca datorita raportului excelent pret / performanta oferit de procesoarele Athlon, pina cind  odata cu lansarea procesoarelor Phenom in 2007 AMD a calcat cu stingul. Iar Intel care era in continua crestere cu nou lansatul Intel Core 2 Duo urmat de Quad a profitat. A fost punctul de cotitura al razboiului. Iar cu lansarea primei generatii Intel i7 in 2010 a cistigat batalia.

Orice a mai incercat AMD, vezi Phenom II si mult asteptatele Bulldozer, nu a mai reusit sa detroneze Intel. Odata cu lansarea pe piata a Sandy Bridge (2nd generation) si a ultimei aparitii Ivy Bridge(3rd generation) Intel a dat lovituri dure AMD cistigind bucati din ce in ce mai mari din piata.

Nu sunt un fanboy. Pina in 2007 am avut AMD. Athlon II 3600+ a fost un procesor excelent.  Cind in urma informatiilor am inteles ca Intel cistiga piata pentru calculatoare PC si laptop-uri, i7 (1st generation) a fost alegerea mea pentru primul laptop. Acum pe desktop-ul meu am un i3 (2nd generation) Sandy Bridge.

Acum, cel putin, lucrurile sunt clare. Intel este lider necontestat de piata pentru procesoare pentru calculatoare PC si laptop-uri. Procesoarele sale au cel mai bun raport pret/performanta, facindu-le potrivite pentru aproape toate tipurile de sisteme, incepind cu office si terminind cu sistemele extreme si servere (desi cred ca piata serverelor nu a fost niciodata pierduta de procesoarele Intel XEON).

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