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Thread: lowering my Delta T on my GPU help / opinions please

  1. #1
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    lowering my Delta T on my GPU help / opinions please

    my idle temp on my X800pro (12 pipe) sits at 37c core / 33c ambient

    under load the Core moves to a peak of 51c and ambient goes to 41c
    once the load is removed the temps drop 10c quickly then tapers down
    to idle temps over the next min.

    Currently Iam using the Zalman GPU block, which I know isn't the best but
    would it be worth investing in another GPU block and which one would
    be the one of choice??

    thanks for your time in this matter
    i7 6700K @4.8 ghz
    XSPC RayStorm (very nice block)
    Z170 Sabertooh ,, 32GB- Gskill (15-15-15-36 @3600 mhz) 1:1
    XFX-7970 with Swiftech Komodo nickel block
    Water Cooling - MO-RA3 Pro with 4 Silverstone 180mm @ 700 rpm, Twin Vario mcp-655 pumps
    Samsung 850-1TB SSD,, OCZ ZX-1250W (powerfull and silent)
    Crossfire 30" decent monitor for IPS too bad SED tech died

    Docsis2.0 Docsis3.0

    -- People who reject the idea that "government has a responsibility to reduce income inequality" give an average of four times more than people who accept that proposition.

  2. #2
    Tyler Durden
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    I think it's more of a problem with your radiation than your block. I don't think your passive radiater can handle the load that well and hence you get these much higher load temps. Just my .02

  3. #3
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    I would think that too but the temps drop from 50-52c to 40c very very quickly within 3 secs.

    how bad are 50-52c under load for a X800pro OCed atleast 540/570 ??
    i7 6700K @4.8 ghz
    XSPC RayStorm (very nice block)
    Z170 Sabertooh ,, 32GB- Gskill (15-15-15-36 @3600 mhz) 1:1
    XFX-7970 with Swiftech Komodo nickel block
    Water Cooling - MO-RA3 Pro with 4 Silverstone 180mm @ 700 rpm, Twin Vario mcp-655 pumps
    Samsung 850-1TB SSD,, OCZ ZX-1250W (powerfull and silent)
    Crossfire 30" decent monitor for IPS too bad SED tech died

    Docsis2.0 Docsis3.0

    -- People who reject the idea that "government has a responsibility to reduce income inequality" give an average of four times more than people who accept that proposition.

  4. #4
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    Those temps are quite common from what I have seen and I am not sure a different block would gain much. What is rest of your setup like? If it is just the reseator that can be part of the problem, They are passive and dont have great heat dissapating capabilities. The inital drop in temps is from the heat the block absorbs into the water the slower drop after that is your water temp dropping and with more rad that amount can be eliminated with a additional rad and a better block would lower the 1st drop some but not a big one, just a few degrees at most.
    Last edited by Ancient_1; 12-17-2004 at 09:38 AM.

  5. #5
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    Reserator ===> 1046 pump ===>Zalman ZM-WB2 CPU block ===>Zalman ===> Z style NB block ===>GWB1 GPU block ===> Reserator

    Two Papst 80mm fans + the OCZ pwr supply fan is blowing air across the reserator1

    Need to get some kind of cleaning or solvent to clean the crap out of the blocks. I noticed the other day some buildup on the internals of the blocks and the stuff is hard as a rock like a calcium deposit or something.


    Thinking that is hurting flow and causing high loaded temps too.

    maybe time for some maint.
    i7 6700K @4.8 ghz
    XSPC RayStorm (very nice block)
    Z170 Sabertooh ,, 32GB- Gskill (15-15-15-36 @3600 mhz) 1:1
    XFX-7970 with Swiftech Komodo nickel block
    Water Cooling - MO-RA3 Pro with 4 Silverstone 180mm @ 700 rpm, Twin Vario mcp-655 pumps
    Samsung 850-1TB SSD,, OCZ ZX-1250W (powerfull and silent)
    Crossfire 30" decent monitor for IPS too bad SED tech died

    Docsis2.0 Docsis3.0

    -- People who reject the idea that "government has a responsibility to reduce income inequality" give an average of four times more than people who accept that proposition.

  6. #6
    Unoriginal Macho Energy
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    Quote Originally Posted by iboomalot
    the stuff is hard as a rock like a calcium deposit or something.
    Um, that would be called corrosion. What liquid are you running? I bet your reserator is corroded too.

    *:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*
    GTZ --> MCW-NBMAX --> EK FC --> PA 120.3 --> PA 160.1 --> 2x DDC Ultras in Series --> Custom Clear Res
    "Artificial intelligence is no match for natural stupidity."
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    Quote Originally Posted by ranker View Post
    Did you just get hit in the head with a heavy object? Because obviously you're failing at reading comprehension.

  7. #7
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    using WWF but put some tap water in think it caused some buildup.

    brand name is Polar windshield wash.
    i7 6700K @4.8 ghz
    XSPC RayStorm (very nice block)
    Z170 Sabertooh ,, 32GB- Gskill (15-15-15-36 @3600 mhz) 1:1
    XFX-7970 with Swiftech Komodo nickel block
    Water Cooling - MO-RA3 Pro with 4 Silverstone 180mm @ 700 rpm, Twin Vario mcp-655 pumps
    Samsung 850-1TB SSD,, OCZ ZX-1250W (powerfull and silent)
    Crossfire 30" decent monitor for IPS too bad SED tech died

    Docsis2.0 Docsis3.0

    -- People who reject the idea that "government has a responsibility to reduce income inequality" give an average of four times more than people who accept that proposition.

  8. #8
    Unoriginal Macho Energy
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    Yep, definately corrosion and the tap water just accelerates it too.

    *:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*
    GTZ --> MCW-NBMAX --> EK FC --> PA 120.3 --> PA 160.1 --> 2x DDC Ultras in Series --> Custom Clear Res
    "Artificial intelligence is no match for natural stupidity."
    *:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*

    Quote Originally Posted by ranker View Post
    Did you just get hit in the head with a heavy object? Because obviously you're failing at reading comprehension.

  9. #9
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    Can also be some of the detergents from the WWF added to it. No anti corrosion additives in WWF.

  10. #10
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    ugh that sucks everything is either hard anodized or gold plated seems strange to be corrosion.

    anyway to clean the block out without having to take it apart??
    i7 6700K @4.8 ghz
    XSPC RayStorm (very nice block)
    Z170 Sabertooh ,, 32GB- Gskill (15-15-15-36 @3600 mhz) 1:1
    XFX-7970 with Swiftech Komodo nickel block
    Water Cooling - MO-RA3 Pro with 4 Silverstone 180mm @ 700 rpm, Twin Vario mcp-655 pumps
    Samsung 850-1TB SSD,, OCZ ZX-1250W (powerfull and silent)
    Crossfire 30" decent monitor for IPS too bad SED tech died

    Docsis2.0 Docsis3.0

    -- People who reject the idea that "government has a responsibility to reduce income inequality" give an average of four times more than people who accept that proposition.

  11. #11
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    Not that I know of. Its usually so tough that need a bit of persuasion by hand.

  12. #12
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    back on topic here.. iboomalot, i run a x800xt at 610/560 and my core temps at idle are 27-29 and load is around 34-37 depending on the temp in my room. The zalman blocks really sucks for cooling vid cards. In one review i read with the reserator the gpu got up above stock temps even when not OCed. I would suggets you get a maze4 gpu block. Its what im using. ITs very low restriction and will give you gobs more performance.

    You will also see some performance from removing your NB cooler. A64's DO NOT need water cooled nbs. hell, i could cool off my neo2 nb with a piece of paper.. Anyway, removing it would reduce the amount of heat in the loop (though not by much) and increase your flow due to the lower resriction.

    I would also say that your reserator is limiting your temps. Its known not to give great temps, but who can blame it really.

  13. #13
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    I gave up a few degrees for not having to clean the reserator and wanting nearly silent cooling.

    I might put a nice zalman passive on it.

    at some point Iam going to goto a chilled setup.

    i'll see how well the MAZE does and I agree that alum block zalman supplies doesn't look to be too promising temp wise. I might be upgrading to 1/2" tubing at some point which could help keep temps lower.
    i7 6700K @4.8 ghz
    XSPC RayStorm (very nice block)
    Z170 Sabertooh ,, 32GB- Gskill (15-15-15-36 @3600 mhz) 1:1
    XFX-7970 with Swiftech Komodo nickel block
    Water Cooling - MO-RA3 Pro with 4 Silverstone 180mm @ 700 rpm, Twin Vario mcp-655 pumps
    Samsung 850-1TB SSD,, OCZ ZX-1250W (powerfull and silent)
    Crossfire 30" decent monitor for IPS too bad SED tech died

    Docsis2.0 Docsis3.0

    -- People who reject the idea that "government has a responsibility to reduce income inequality" give an average of four times more than people who accept that proposition.

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