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AMD Athlon 64 X2 4800+ 65nm i ASUS M2A-VM
23.04.2007.
    « Prev  : Stranica 1 od 4 :  Next »      By ::  Krešimir Matanović 
- Brisbane i AMD690G - tandem za HTPC -

Na test su nam paralelno stigla dva friška proizvoda u režiji AMD-a. Prvi je procesor, točnije Athlon X2 4800+, kodnog imena Brisbane, a koji je prvi AMD-ov procesor napravljen u 65nm proizvodnom procesu. Drugi proizvod je Asusova matična ploča M2A-VM koja je zasnovana na AMD-ovom (ATi-evom) 690G čipsetu. Ploča je u microATX formatu i namijenjena je jeftinijim uredskim računalima, ali i HTPC-ima prvenstveno zbog svojih dimenzija i mogućnosti. Što je ovaj dvojac u stanju pokazati odlučili smo provjeriti u zajedničkom testu.

 

AMD Athlon 64 X2 4800+

Na test je iz AMD-a stigao njihov prvi 65nm procesor, tj. jedan model iz 65nm SOI linije. AMD je relativno dugo držao 90nm proizvodni proces i sada su konačno odlučili smanjiti jezgre svojih procesora i dugoročno si pojeftiniti proizvodnju. Naime, Brisbanei se proizvode u Fabu36 u Dresdenu na 300mm wafferima, i imaju jednak broj tranzisora kao i njihovi 90nm prethodnici koji su se proizvodili na 200mm wafferima (153.8 milijuna raspoređenih u dvije jezgre) što znači da ih stane više na jedan waffer.

Iako Intel trenutno ima premoć u procesorskoj snazi, AMD-ovim dual core procesorima jedno ide u korist, što je AMD-u zapravo i oduvijek išlo u korist - a to je cijena. Dodali bi tu i široku paletu koju kupci imaju na izbor, od početnog i vrlo pristupačnog X2 3600+, pa sve do brzog i moćnog X2 6000+. Intel će cijenom AMD-u pokušati parirati E4xxx serijom, no trenutni jedini predstavnik dostupan na tržištu, E4300 i nije tako jeftin u odnosu na X2 3600+.

Athlon u 65nm izdanju

Naš testni primjerak je iz sredine ponude i nosi ime X2 4800+. Radi na neobičnom taktu od okruglih 2.5GHz, tj. ima neobičan množitelj od 12.5. Svaka od njegovih dviju jezgara ima 128KB L1 keš memorije i 512KB L2 keš memorije nešto povišenih latencija što je uz smanjeni proizvodni proces jedina razlika u odnosu na 90nm procesore. Samo kao podsjetnik navesti ćemo kako je prvi X2 4800+ koji je ležao na socketu 939 imao 1MB drugostupanjske memorije po jezgri. I u sadašnjem lineup-u postoje modeli sa 2x1MB L2 keša, no oni su brži i skuplji od testiranog modela. X2 4800+ koristi AMD-ovo organsko micro PGA pakiranje koje je sa nama još od socket 939 procesora, a termalni dizajn mu je 65W.. Integrirani memorijski kontroler podržava DDR2-800MHz memoriju što u dual channel modu osigurava 12.8GB/s propusnosti. Procesor podržava i hardversku virtualizaciju, tako da tu može parirati Intelu, kao i NX Bit.



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