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Zalman CNPS7700-Cu - divovsko bakreno cvijeće
10.01.2005.
    « Prev  : Stranica 3 od 3 :  Next »      By ::  Denis Arunović 
- Testiranje i zaključak -
Test sistem :: Hardware
Platforme

Abit KV8-MAX3, BIOS v2.3

Procesor

AMD Athlon 64 3200+

Memorija 2 x 256 MB Corsair CMX256A-3200LLPT, CAS 2-3-3-6
Grafičke kartice

Albatron Trinity GF6800 128 MB

Driveri:: nVidia ForceWare 66.93

Muzička kartica Creative Labs Audigy 2 ZS, EAX 4 update
Kontroler

Integrirani VIA VT8237

Hard disk(ovi)

Maxtor 6L040J2 ATA-133, 7200 rpm, NTFS

Optički pogon

Pioneer DWR-106D

Uz informacije iz gornje tablice valja napomenuti da je testiranje provedeno u AOpenovom H700B big tower kućištu hlađenom sa ukupno šest 80-milimetarskih ventilatora (dva usisna, četiri ispušna) sa automatskom kontrolom brzine. Za zagrijavanje procesora koristili smo Prime95, a očitavanje temperature vršeno je pomoću zadnje verzije Motheboard Monitora (ovaj se softver nažalost više ne razvija). CNPS7700-Cu smo odlučili usporediti sa starijim modelom manjih gabarita - CNPS-om 7000A-Cu te Coolermasterovim Hyper 6 na kojem smo koristili jedan 80-milimetarski ventilator.

Temperature

Idle
Hyper 6 (active, med.)
44
  
Hyper 6 (active, high)
44
  
Hyper 6 (active, low)
45
  
Zalman 7700-Cu (active, high)
47
  
Zalman 7700-Cu (active, low)
48
  
Zalman 7000A-Cu (active, high)
48,5
  
Zalman 7000A-Cu (active, low)
49
  
 
01020304050606
2
 
Stress
Hyper 6 (active, med.)
50
  
Hyper 6 (active, high)
50
  
Hyper 6 (active, low)
52
  
Zalman 7700-Cu (active, high)
54
  
Zalman 7000A-Cu (active, high)
56
  
Zalman 7700-Cu (active, low)
57
  
Zalman 7000A-Cu (active, low)
60
  
 
01020304050606
2
 

Premda se može pohvaliti većim ventilatorom te većom disipativnom površinom, Zalman CNPS7700-Cu ne hladi osjetno bolje u odnosu na svojeg manjeg brata. Razlika je svega par stupnjeva, čak i pri punom opterećenju procesora gdje razlike u performansama različitih hladnjaka najbolje izlaze na vidjelo. U usporedbi sa Coolermasterom Hyper 6, Zalmanova bakrena grdosija evidentno gubi termalnu, ali ne i zvučnu bitku. Premda nije u stanju toliko dobro ohladiti procesor kao Hyper 6, CNPS7700-Cu istovremeno generira osjetno manje buke, bilo da je riječ o najvišoj ili najmanjoj brzini ventilatora. Što se tiče "zvučne" usporedbe sa CNPS-om 7000A-Cu koji ima 92-milimetarski ventilator, 7700-tka se ne može pohvaliti nižom razinom buke. Jedina razlika je u "boji" zvuka - CNPS7700 generira buku niže frekvencije.

Zaključak

Novi Zalmanov hladnjak donosi nešto bolje performanse nego stariji modeli, ali uz prilično velike kompromise - osjetno veće dimenzije i masu hladnjaka. Moramo priznati da smo od Zalmana očekivali inventivnija rješenja, a ne ovakav, pomalo brutalan, pristup osvježenju proizvodne linije. U direktnom sučeljavanju sa Coolermasterovim Hyperom 6, CNPS7700-Cu gubi u pogledu efikasnosti hlađenja, ali ne i u pogledu buke. S druge strane, Hyper 6 ima manje dimenzije odnosno veću kompatibilnost sa matičnim pločama (budući da se oslanja na tehnologiju toplinskih cijevi), nešto nižu cijenu, ali i prilično zanimljivu opciju zamjene bučnog tvorničkog hladnjaka sa nekim tišim rješenjem (najvjerojatnije ne toliko jeftinim). Ako se nas pita, između dva navedena hladnjaka mi bi izabrali Hyper 6 s obzirom na to da sa najnižom brzinom ventilatora i dalje uspijeva nadjačati CNPS7700 na kojem je ventilator "nafrljen" na maksimalnu brzinu.

Sve što smo rekli vrijedi samo u slučaju da sa nekim od testiranih hladnjaka planirate ohladiti Socket 478 Pentium 4 ili neki od 32/64-bitnih AMD-ovih procesora. U slučaju da trebate hladnjak za LGA775 procesor, vaš se izbor, barem u sklopu ovog testa, suzuje na Zalmanove hladnjake. Dok je CNPS7700-Cu tvornički pripremljen za suzbijanje topline na LGA775 procesorima, CNPS7000A-Cu za ovu rabotu postaje sposoban tek kad za njega dokupimo dodatni LGA775 instalacijski paket. Zajedno s njim CNPS7000A-Cu košta jednako kao i CNPS7700-Cu što nas dovodi do slijedeće dileme - kojeg od njih kupiti? Prema rezultatim testiranja noviji model je bolji izbor, ali to ništa ne znači ako ga ne možete strpati na matičnu ploču. Iz tog razloga prije eventualne kupovine dobro provjerite dimenzije unutrašnjosti vašeg računala odnosno razmeštaj komponenti na matičnoj ploči.

 Zalman CNPS7700-Cu 
Pozitivno + Efektan dizajn i izvrsna završna obrada. Hladi bolje nego prethodni modeli Zalmanovih hladnjaka. U odnosu na starije modele poboljšana kontrola brzine (FaneMate 2). Može hladiti sve moderne procesore. U slučaju da ga instaliramo na kompatibilnu ploču, laka i dobro objašnjena instalacija. Relativno niska razina buke pri punoj brzini, skoro nečujan pri najmanjoj brzini.
Negativno - Izuzetno velike dimenzije i prilično velika masa. Zbog dimenzija nije kompatibilan sa nekim matičnim pločama. Nije dovoljno tih za perfekcioniste. Relativno niske performanse s obzirom na veličinu tijela i promjer ventilatora.
Ocjena
77%  
Ustupili Zalman




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