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VRM Temperature (GTX460 i slicne karte)

Iv4n

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Da li je mozda neko merio (precizno ili odokativno) temperature VRM-a pri opterecenju nekih grafickih slicnih GTX460?

Nakon par minuta Unigine Heaven-a, PCB u okolini VRM-ova je vrela na dodir (~60 stepeni) na mojo karti.
 

Iv4n

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..u medjuvremenu sam naleteo na ovu interesantnu sliku:

:eek:

 

Apple

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Ala je ta vrela pa tu mozes jaja peci :D
Cime si merio temp na svojoj ?
 

Iv4n

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Prstom :D Temperatura je na granici izdrzljivosti, a to je sa druge strane PCB-a. Sami mosfeti su sigurno topliji. Interesantno je da Koolance GTX460 blok recimo ima kanal za vodu koji bas prolazi preko regulatora, dok EKFC460 ima samo protok vode preko GPU, a samo metal prekriva VRM.

Uzecu mozda za koji dan Fluke infracrveni termometar pa cu malo preciznije meriti.

Sto se ove slike tice, stavis "thermal pad" preko cele gornje strane graficke i dzesvu pa kuvas kafu. :rotf:
 

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Drago mi sto su izbacili to ocitavanje iz gpu-z; dusa me bolela na 260gtx kad sam gledao 90+ stepeni!!
 

Iv4n

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Zaboravio sam da stavim rezultate 'istrage' ako nekoga mozda interesuje;

Testirao sam dve graficke - moj Leadtek GTX460 1GB i Gigabyte GTX460 OC sa dva ventilatora. Prva ima fabricki clock 725MHz a druga 715MHz. Prvu hladi EK FullCover vodeni blok a drugu gigabajtov kuler sa dva ventilatora i default-nim profilom ventilatora.

Merena je temperatura gornje strane stampane ploce Fluke 62 termometrom. Najvise temperature u IDLE rezimu su bile iza samog grafickog jezgra, dok su najvise temperature pod opterecenjem bile u oblasti gde se nalaze regulatori napona.

Najvise izmerene temperature su sledece:

Gigabyte GTX460 OC 1GB
IDLE: 40*C (ceo PCB)
LOAD: 71*C (Core) 86*C (PCB iza VRM)

Leadtek GTX460 OC 1GB + EKFC460 GTX
IDLE: 34*C (ceo PCB)
LOAD: 41*C(Core) i 64*C (PCB iza VRM)

Leadtek GTX460 915/1830/1900 (1.1087V)
IDLE: 37*C
LOAD: 42*C (Core) i 68*C (PCB iza VRM)

Tokom svih testova je sobna temperatura bila manje-vise ista.
 

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Evo ljudi i ja da se pohvalim :banana:




Na 67% fan rpmova kartica je tiha po mom standardu :) Temp ne prelazi 75C u zatvorenom, malom i natrpanom kućištu, ali bez dodatnog hlađenja (isključujem fanove zimi ;) )


ŠTA MISLITE? :))

:wave:
 

Don Workinson

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Mislimo...hvala bogu da si se resio onog shkarta ;)
 
Vrh