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ASUS GeForce ENGTX470 - pristupačniji GF100
09.07.2010.
    « Prev  : Stranica 1 od 5 :  Next »      By ::  Krešimir Matanović 
- Opis -

Asus je na pakiranju jasno naglasio o kojem je modelu riječ, jer je za sva tri dostupna modela grafika pakiranja vrlo slična. Na kutiji ćemo između ostalog saznati kakve sve tehnologije podržava kartica, a najveći je Voltage Tweak bedž koji je sastavni dio Asusove aplikacije za nadzor rada grafičke kartice, te overclockiranje iste. Na pozadini pakiranja nalaze se detaljnije informacije, a pažnju treba obratiti na preporučeno napajanje - 550W sa maksimalnih 38A na jednom 12V railu.

Unutar kutije, grafička je kartica dobro zapakirana i zaštićena od eventualnih problema tijekom transporta. Uz nju, dobit će te i CD-e sa uputama za korištenje te upravljačkim programima, aplikacijama za OC i Nvidijim tehnološkim demonstratorima - Design Garageom i Supersonic Sledom. Uz to tu su i DVI-to-VGA te DVI-to-DisplayPort adapteri i dva Molex-to-PCIe Power adaptera. Da je još koji dobar Physx naslov bundle bi bio potpun, no znamo da je zarada na ovim modelima minimalna pa suosjećamo s proizvođačem.

Kartica u potpunosti prati generički Nvidijin dizajn, a od drugih se modela razlikuje tek po Asusovoj naljepnici. Dužina joj je 9.5 inča ili 24.1 cm. Za razliku od GTX480 modela, oklop ove kartice je u potpunosti plastičan, a za drži ga šest plastičnih kopči pa ga je jednostavno i ukloniti. O Fermi arhitekturi smo sve već napisali prije tri mjeseca, a GTX470 kartica je arhitekturalno točno onakva kakva je i od početka zamišljena da bude. GTX480 je kao što znamo trebala imati 512 stream procesora, a zapravo je u krajnjoj verziji ostala bez 32 stream procesora, sa nešto povišenim taktom i TDP-om koji se bliži i kao što smo vidjeli probija ATX specifikacije. GTX470 ima 448 stream procesora, što znači da ima 4x14x32 arhitekturu. Premala razlika u broju stream procesora koja se stvorila skraćivanjem GTX480 modela, uvjetovala je i smanjenje takta istih tih procesora sa 1250MHz na 1215MHz u odnosu na orginalni GTX470 dizajn. To je napravljeno kako bi se naravno povećara razlika u performansama između dvije kartice. Tako sada GTX470 kao što smo rekli ima 448 stream procesora koji rade na 1215MHz, dok ostatak čipa radi na 608MHz. GTX470 ima 40 ROP jedinica (osam manje) koje koristi za pixel blending, antialiasing i atomske memorijske operacije. Kartica ima jedan memorijski kontroler manje od GTX480 pa je sučelje 320-bitno, a Nvidija se odlučila za ugradnju 10 memorijskih GDDR5 čipova ukupnog kapaciteta 1280MB. Brzina memorije je 837MHz tj. efektivnih 3.348Gbps, a teoretska joj memorijska propusnost iznosi 150GB/s.

GTX470 ima TDP od 215W pri opterećenju i 33W bez opterećenja, a taktovi se u mirovanju spuštaju na 101MHz za shadere, 50MHz za ostatak GPU-a te memorije na 65.7MHz. GTX470 kartica zahtjeva dodatno napajanje u obliku dva 6-pinska PCIe Power konektora. Znamo kako se GTX480 kartica pod opterećenjem jako zagrijava, pa će biti zanimljivo vidjeti kakve su temperature ovoga ipak oslabljenog modela. GPU hladnjak, kao što vidimo kombinira bakrene toplovodne cijevi sa tankim aluminijskim listovima kroz koje struji zrak pokretan turbinskim ventilatorom. Kao i na GTX480, tu su dva DVI-I izlaza i mini HDMI konektor. DX11 podrška je standardna, baš kao i OpenGL4.0, te Physx i CUDA. Kartica podržava Nvidijinu VP4 tehnologiju koja podržava H.264, MPEG-2, VC-1 i MPEG-4 ASP formate. DTS-HD i Dolby TrueHD formati nisu podržani, pa su ATI kartice iz HD5xxx serije na tom polju bolje. GTX470 podržava 3-way SLI, a konektori su smješteni na standardnim mjestima. Tu je podrška i za Surround ili 3D Vision Surround a za to će vam trebati dvije ovakve kartice. ASUS u paketu donosi Splendid, Gamer OSD i Smart Doctor aplikacije pomoći kojih overclockiramo, mijenjamo napon grafičkog procesora ali i brzinu rada ventilatora.



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