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ASUS EN8800GT 512MB – vruća mala
23.12.2007.
    « Prev  : Stranica 2 od 5 :  Next »      By ::  Krešimir Matanović 
- Kartica i dodatna oprema -

Sama EN8800GT kartica slijedi nVidijin referentni model sa jedinom razlikom - COH naljepnicom na hladnjaku. G92 jezgra je nasljednik G80 - prvog DX10 GPU-a . Za razliku od G80 koji je 80nm čip, G92 je napravljen u 65nm proizvodnom procesu . G80 je u GTX i Ultra verzijama imao 128 stream procesora, 32 pixel procesora i 24 vertex, te u GTS verzijama 96 stream, 24 pixel i 20 vertex procesora. Nova G92 jezgra ima 112 stream, 28 pixel i 16 vertex procesora.

S obzirom da je 8800GT nasljednik modela 8800GTS (320/640) nadalje ćemo se koncentrirati na njihovu međusobnu usporedbu. Prelaskom na 65nm proizvodni proces veličina jezgre se smanjila a povećao se broj tranzistora pa ih sada ima 754 milijuna (GTS 640 ih je imao oko 690 milijuna). Potrošnja električne energije se znatno povećala te se službene brojke kreću oko 146W za 512MB model, dok je GTS 640 trošio "samo" 108W. Kao što znamo GTS 640 je imao dual slot hlađenje, dok se nVidija za 8800GT model samouvjereno odlučila za single slot hlađenje unatoč većoj disipaciji snage - koliko je to bilo mudro vidjet ćemo u našem testu zagrijavanja. Takt G92 procseora na ovoj kartici iznosi 600MHz što je za 100MHz više od GTS 640 modela. I brzina shadera se povećala pa sada kucaju na 1.5GHz, dok su u GTS 640 modelu su kucali na 1.2GHz.

Na testirani EN8800GT model bilo je ugrađeno 512MB DDR3 memorije koja je radila na 1.8GHZ preko 256-bitne sabirnice. U prethodniku je 640MB memorije radilo na 1.6GHz preko 320-bitne sabirnice. Kao što vidimo nVidija se vratila klasičnoj sabirnici što bi u teoriji trebalo biti sporije, no to će pokazati testovi. Od priključaka na kartici su prisutna dva DVI konektora i S-Video izlaz. Inače kartica je opremljena Pure Video 2 engineom koji pomaže pri dekodiranju H.264 i VC-1 sadržaja. G92 podržava i PCI Express 2.0 sučelje koje donosi povećanje propusnosti sa 2.5 Gbit/s na 5 Gbit/s.

Kartica zahtjeva dodatno napajanje preko 6 pinskog konektora na što smo već otprije navikli. S obzirom na poveću potrošnju biti će vam potrebno dobro napajanje kako bi dvije ovakve kartice upogonili u SLI konfiguraciji.

Uz Asusovu karticu dolazi mnoštvo Asusovog softvarea za management kartice iz operativnog sustava, upravljački programi, knjižica sa uputstvima, poznati Asusov kožni CD case i kao šećer na kraju odlični Company of Heroes: Opposing Fronts.

Od dodatne opreme tu su RGB to S-video kabel, molex to 6-pin adapter za dodatno napajanje kartice i D-SUB 15 pin to DVI adapter.



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