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Zalman VF700 Al-Cu - temperaturni penicilin
10.11.2005.
    « Prev  : Stranica 3 od 4 :  Next »      By ::  Denis Arunović 
- Testni sistem i rezultati testiranja -
Test sistem :: Hardware
Platforme

Asus K8N-E Deluxe

Procesor

AMD Athlon 64 3200+ Socket 754

Memorija

2 x 512 MB DDR400 Super Talent

Grafičke kartice

ATI Radeon X850XT PE + stock cooler

ATI Radeon X850XT PE + Zalman VF700 Al-Cu

Driveri:: Catalyst 5.9 + ATI Tray Tools

Muzička kartica Creative Labs Audigy 2 ZS
Kontroler

Integrirani nForce4 Ultra, NCQ enabled

Hard disk(ovi)

Seagate Barracuda 7200.7 NCQ, 160GB

CD-ROM

Pioneer DVR-109

Testna konfiguracija je drugačija nego što ste navikli. Naime, riječ o osobnom računalu autora ovih redaka. Uz popis komponenti valja naglasiti i još neke detalje o testnoj konfiguraciji, ali i načinu testiranja. Prva i osnovna stvar, cijelo je računalo ugrađeno u AOpenovo kućište H700B na kojem su popunjena mjesta za ventilatore. Dakle, konfa je dobro ventilirana. Druga stvar - način testiranja. Temperaturu smo mjerili uz pomoć ATI Tray Toolsa - izvrsnog alata koji zamenjuje falične ATI-jeve aplikacije za kontrolu drivera grafičke kartice (ATI Control Panel i Catalyst Control Center). Brzina ventilatora na tvorničkom hladnjaku je ostavljena na defaultu, dakle nismo je modificirali. Ventilator se vrtio sporo dok smo bili u Windowsima, a ubrzao je kad bi počeli tlačiti karticu s nekom 3D aplikacijom.

Očitavanja za temperaturu bez opterećenja smo očitavali 30 nakon prekida rada u 3D aplikaciji dok smo očitavanja pod opterećenjem uzimali tijekom korištenja 3D aplikacije - u našem slučaju igre Doom III. Valja napomenuti da je ATI Tray Tools aplikacija cijelo vrijeme bilježila temperaturu tako da podaci ni u kojem slučaju nisu falični.

Uz to, valja napomenuti da za sve kombinacije uvjeta (idle/stress + stock cooler/zalman) imamo očitavanja interne temperature GPU-a i ambijentalne temperature oko grafičke kartice. Niže je u oba slučaja bolje.

Temperatura GPU-a

Temperatura bez opterećenja (°C)
Zalman High
35,75
  
Zalman Low
35,75
  
Tvornički hladnjak
42,38
  
 
0 5101520253035404
5
 
Temperatura pod opterećenjem (°C)
Zalman High
61
  
Zalman Low
66,88
  
Tvornički hladnjak
80,38
  
 
015304560758
5
 

Eto nas i do rezultata testiranja. Zalman VF700 Al-Cu je bez sumnje na visini zadatka, bilo da je riječ o najvišoj ili najmanjoj brzini. Razlika u performansama između dva moda je mjerljiva isključivo dok je grafička kartica pod opterećenjem - u 2D-u je sasvim svejedno da li je ventilator "nafrljen" na 12 ili 5 volta. Što se tiče same buke, na 5V je hladnjak posve nečujan. Na 12V ga je moguće čuti, ali samo ako vam ostatak računala ne proizvodi buku koja maskira buku samog hladnjaka. No i u tzv. performance modu, Zalmanov hladnjak je dalje osjetno tiši nego ATI-jevo referentno rješenje.

Temperatura okoline

Temperatura bez opterećenja (°C)
Zalman High
32
  
Zalman Low
32
  
Tvornički hladnjak
38
  
 
0 51015202530354
0
 
Temperatura pod opterećenjem (°C)
Zalman High
45
  
Zalman Low
47
  
Tvornički hladnjak
55
  
 
010203040506
0
 

Rezultati mjerenja ambientalne temperature nam pričaju potpuno istu priču kao i rezultati mjerenja temperature jezgre. Dok kartica ne radi gotovo ništa, nema razlike da li se ventilator na Zalmanu vrti brže ili sporije, no u oba slučaja je Zalman bolji nego tvornički hladnjak. Kad karticu opteretimo, situacija se mijenja, ali ne puno. Zalman u 12-voltnom odnosi krunu performansi no razlika u odnosu na 5-voltni mod je samo dva stupnja.



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