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Arctic Cooling RC
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OCZ DIY program za gamere
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VIA EPIA PX5000EG
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RV770 na tržištu 18. lipnja
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Technomax Supervikend
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HP press konferencija
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Intel Bloomfield procesor i X58 čipset
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Proglašeni hrvatski finalisti Imagine Cupa 2008 natjecanja
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MSI Titan 700
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Zotac nForce 750a

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Sapphire Radeon HD3870 512MB Toxic & HD3850 1GB - skupe igračke
27.03.2008.
    « Prev  : Stranica 2 od 6 :  Next »      By ::  Krešimir Matanović 
- Sapphire Radeon HD3850 1GB -
Ovaj 3850 za razliku od prethodne kartice ima "obično" hlađenje, tj. manje-više klasičan aluminijski hladnjak sa bakrenom jezgrom, bakrenim heatpipeovima i ventilatorom, no zato je poseban po količini grafičke memorije - raspolaže sa čak 1GB GDDR3 memorije.

Pakiranje je osim drugačijih boja i informacija identično Toxic modelu, dakle kartica je dobro zaštićena u kartonskoj kutiji, vrećici i između dviju podebljih spužvi.

PCB je kao i na Toxic modelu plavi, no sa drugačijim layoutom. Razlika je vidljiva i u boji hladnjaka te veličini ventilatora. RV670 GPU je identičan kao i na HD3870 kartici, dakle napravljen je od strane TSMC-a u 55nm proizvodnom procesu, ima 666 milijuna tranzistora, površinu od 190mm2, te 320 shadera i 16 ROP jedinica. GPU na ovoj kartici kuca na 702MHz što je za 32MHz više nego na referentnom HD3850 modelu. 1024MB ugrađene Quimondine GDDR3 (HYB18H1G321AF-10) memorije kuca na 828MHz, dakle na istom taktu kao i 512MB kod referentnog modela. Sučelje je naravno 256-bitno.

Kao i prethodnik, i ova kartica ima dva DVI-I izlaza te jedan TV izlaz. Podržava HDMI, HDCP i Audio (integrirana audio kartica u GPU). Podržana je naravno ATI Avivo HD tehnologija (UVD - hardverska akceleracija reprodukcije Blu-ray i HD DVD sadržaja (VC-1 i H.264)). Također je podržan i CrossfireX, u koji je moguće ukomponirati četiri ovakve kartice.

Sklop za napajanje je kao i na Toxic modelu pasivno hlađen jednim aluminijskim hladnjakom, a za rad kartica također zahtjeva dodatni 6 pinski PCIe power konektor.

Hladnjak je single-slot rješenje, a napravljen je od aluminija, ima bakrenu jezgru i heatpipeove. Ventilator je veći nego na prethodniku, a također ima funkciju potpunog zaustavljanja kada radimo u 2D okruženju. Čim prijeđemo u 3D, zavrti se te efikasno hladi karticu. U radu je nešto tiši od ventilatora na Toxicu, no povremeno se zavrti u više okretaje kada zna biti bučan. Sve u svemu čitav rashladni sistem je vrlo dobar te smo se nadali dobrom overclockingu.

Kao i kod prethodne kartice bundle je bogat, tj. identičan je Toxicovom - DVI adapter, HDMI adapter, CrossFire mostić, HDMI kabel, TV-Out kabel, Molex-PCIe power kabel, CD-a sa driverima i ATi-evim aplikacijama, CD sa DVD suite aplikacijama, CD sa Power DVD 7 aplikacijom, CD sa 3D Mark 06 benchmarkom, Valveov Black Box kupon i priručnik za korisnike.



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