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Zotac 9800GTX+ AMP! & ZONE - opet G92
30.08.2008.
    « Prev  : Stranica 1 od 6 :  Next »      By ::  Krešimir Matanović 
- Uvod i Zotac 9800GTX+ AMP! -
Uvod

Nvidija je kao odgovor na AMD-ove HD4850 kartice izbacila još jednu reviziju kartica sa G92 čipovima. I taman kada smo pomislili da će sa 9800GTX modelima priča o toj arhitekturi prestati, odlučili su se za još jedan potez i održali G92 čipove živima. Novi, G92b GPU je danas 55nm čip, a krenuo je kao 90 nanometarski G80 daleke 2006. godine. Prešao je dug put, dok se u suštini i nije znatno promijenio. Taj najnoviji G92b danas pogoni 9800GTX+ kartice, a Zotac nam je na test poslao dva svoja modela naziva AMP! i ZONE. AMP! kao što znamo donosi više taktove od referentnog modela, a ZONE je kartica koja umjesto klasičnog hladnjaka ima sistem vodenog hlađenja. Unatoč činjenici što ima napredniji sistem hlađenja, ZONE ne donosi više radne taktove.

Zotac 9800GTX+ AMP!

Zotacova pakiranja su nam već otprije poznata pa znamo kako su kartice odlično zaštićene u njima. Ništa se nije promijenilo ni po pitanju boja kutije, tu dominira Zotac narandžasta, a za razliku od GTX280 modela, Zotac sa 9800GTX+ bundla novu igru - XIII Century Death or Glory. Na kutiji, kao i uvijek kupac može naći sve relevantne podatke o proizvodu.

9800GTX+ je identična 9800GTX modelu - od dužine, preko boje pa do oblika i izvedbe hladnjaka. Sve rečeno za prethodnu vrijedi i za ovu karticu. Tu je podrška za triple SLI, PureVideo, Hybrid Power, i PhisyX. Kako znamo podržava i DX10 (SM4.0) te OpenGL2.1, te je opremljena sa 512MB GDDR3 memorije. Ono što je ipak najbitnije je kako je riječ o tvornički overclockanom modelu koji manje iskusnim korisnicima donosi više performanse, bez da se sami moraju igrati sa taktovima.

Baš kao i na 9800GTX modelu, tu su dva dual-link DVI-I izlaza te jedan TV (HDTV) izlaz. LE dioda sa prethodnika je također zadržana funkcija joj je signalizacija funkcionalnosti kartice. Kartica podržava za HDCP, a HDMI je podržan preko HDMI-DVI adaptera i SPDIF audio konektora na PCB-u kartice - dakle ni tu nije došlo do promjena.

Do promjena je došlo kada je GPU u pitanju. G92-420-B1 ili kraće G92b je prvi Nvidijin 55nm GPU. Proizvodi ga TSMC, a prvi je u nizu Nvidijinih čipova na 55nm i služi kao pokusni kunić za prelazak GT200 arhitekture na niži proizvodni proces. Broj tranzistora kao i stream procesora je ostao isti, tj. 128, samo sada kucaju na 1836MHz, što je za 146MHz više nego kod prethodnika. Ostatak GPU-a radi na 738MHz što je za 63MHz više nego na 9800GTX karticama. 512MB memorije komunicira preko 256-bitne sabirnice, a takt joj je istih 1100MHz (2200MHz efektivno) kao na 9800GTX. U slučaju Zotacovog AMP! modela takt GPU-a je povišen za malih 18MHz te iznosi 756MHz, shaderi rade na 1890MHz a memorija na 1150MHz (2300MHz efektivno). Zahtjevi za napajanje su isti kao i kod 9800GTX modela, dakle uz PCIe slot još dva PCIe Power 6 pinska konektora. Iako službneni podatak o potrošnji nememo ona bi trebala biti 10-tak vata niža nego na 9800GTX modelu.

Bundle koji Zotac stavlja uz svoj grafičke kartice je poslovično bogat. Tu su HDMI-DVI i DVI-VGA adapteri, SPDIF interni audio konektor, PCIe Power-Molex adapter i SVideo-Component adapter. Upute za korisnike su vrlo solidne, a uz njih dolazi i CD sa driverima te već spomenuta XIII Century Death or Glory igra.



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