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Noctua NH-U12P SE1366, OCZ Gladiator Max & Scythe Mugen 2 - bitka za Core i7
19.04.2009.
    « Prev  : Stranica 4 od 5 :  Next »      By ::  Krešimir Matanović 
- Test sistem, način testiranja i rezultati -
Test sistem:

Test sistem :: Hardware
Platforme

Gigabyte EX58-UD5P; Beta BIOS

Procesor(i)

Intel Core i7 920; HT On

Memorija

3x 2GB DDR3 Kingmax 1333

Grafičke kartice

Sapphire Radeon HD4870 X2

Driveri: Catalyst 9.3;

Muzička kartica

On Board

Hard disk(ovi)

Hitachi 500GB SATA II

DVD-RW HP GSA-H60L

Testni sistem :: Software
OS Windows Vista Ultimate 64-bit SP1
Chipset datoteke

Intel 9.1.0.1007

DirectX verzija 10.1
OCCT v. CPU test

 

Način testiranja

Hladnjake smo kao i uvijek testirali u jednakim uvjetima (ista ambijentalna temperatura), na stolu, sa istom termalnom pastom (NT-H1) i istim programom za opterećenje procesora. OCCT dobro "naloži" procesor i tu Core i7 920 i na tvorničkom taktu zadaje puno muke hladnjacima. Kao što smo već jednom napomenuli, u slučaju da imate Core i7 procesor a koristite aplikacije koje nisu u stanju iskoristiti njegovih osam logičkih jezgri tada je bolje isključiti HyperThreading. Potrošnja električne energije drastično pada, a samim time i zagrijavanje procesora. S obzirom da je primjerak procesora koji mi imamo inženjerski, nismo mogli usporediti i Intelov stock hladnjak, te vidjeti koliko su testirani hladnjaci bolji. Uz ova tri opisana hladnjaka, ponovno smo istestirali i Noctuin NH-C12P hladnjak čiji ste test imali prilike čitati prije par tjedana. Manja disipacijska površina i samo jedan ventilator već su i prije testiranja dali za naslutiti kako će ga NH-U12P sa lakoćom pobijediti te smo jedva čekali vidjeti to u praksi. Na gornoj slici se dobro vidi razlika u veličini između OCZ-ovog i Scytheovog heatsinka pa će biti zanimljivo vidjeti koliko Gladiator Max može držati korak sa znatno većim hladnjacima. Temperature koje će te vidjeti u grafovima dobivene su kao srednje vrijednosti temperatura sviju četiri jezgara. Load temperature su očitane nakon dva sata punog opterećenja procesora (svih 8 threadova), dok su Idle temperature očitane pola sata nakon prestanka opterećenja. Potrebno je napomenuti kako su u BIOS-u pogašene sve opcije za usporavanje brzine i smanjivanje potrošnje procesora. Turbo je također bio ugašen.

 

Rezultati testiranja

 

Temperature

Idle (°C)
Noctua NH-U12P
40
  
Noctua NH-C12P
43,5
  
OCZ Gladiator Max
44
  
Scythe Mugen 2
44,5
  
 
0   5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4
5
 
Load (°C)
Noctua NH-U12P
58,5
  
Noctua NH-C12P
61
  
Scythe Mugen 2
66
  
OCZ Gladiator Max
72
  
 
0 1 8 3 6 5 4 7
2
 

NH-U12P u punoj ratnoj spremi (sa dva ventilatora) sa lakoćom dobija bitku, dok ga NH-C12P prati. Pri Idleu se najbolje vidi snaga najskupljeg ventilatora, dok su ostala tri manje-više izjednačena. Prilikom opterećenja Mugen 2 procesor drži procesor na čak 5°C više od NH-C12P dok se Gladiator Max muči sa još dodatnih 6°C. 13.5°C je razlika između danas testiranih hladnjaka što svakako nije zanemarivo. NH-U12P i košta najviše, no ukoliko vam je overclocking na pameti onda se svakako isplati izdvojiti više novaca.



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