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480's yes/no - Page 4

post #31 of 35
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I have the water system (except for the blocks) so I might as well go water.Everything goes better with water,perhaps.Like I said its 85.00 for Koolance or much more for Danger Den,must count my funds after paying all school bills.I also bought a FX3800 to work with SolidWorks (OK just paid the deposit) so I can easily end up broke if I go on a spending spree.

EDIT: all copper DD block is 119.00. I have not seen any exclusion from using this block on the EVGA "B" stock 480 card at 219.00,if there is please let me know.
Edited by PCCstudent - 8/14/11 at 4:47pm
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post #32 of 35
Quote:
Originally Posted by Steven-1979 View Post
So basically if you consider one with a good heatsink, say my Gigabyte SOC w/ the tricooler, then basically the 480 has no more power or heat issues than a 580?
It still uses a few more watts of power, making more heat than a 570/580. But nothing to cry about. The core on the 570/580 was changed slightly (rearranged) to use electricity more efficiently and not have the power draw be drastically affected by increasing temps.

One of the problems with the 480 (can't find the details on why this is so, but remember reading and understanding it) was that the core is greatly affected by heat. When the card heats up, more current flows through the transistors based on how they are arranged because of the expanding silicon.
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post #33 of 35
good info. My card never really gets above 60c gaming (custom fan profile) though I'll be tossing it under water or an AXP soon: http://www.overclock.net/air-cooling...aterblock.html
    
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post #34 of 35
Quote:
Originally Posted by Steven-1979 View Post
good info. My card never really gets above 60c gaming (custom fan profile) though I'll be tossing it under water or an AXP soon: http://www.overclock.net/air-cooling...aterblock.html
http://www.techpowerup.com/reviews/G...80_SOC/25.html

The cooler that Gigabyte threw on that card is excellent. Not only does it have 3 fans, but it also uses a vapour champer just like the 580. The end result: Temps are nice and low, less then a 580.

Now look at the power draw. If you keep the 480 relatively cool, power draw drops from reference. It will still be slightly more than a 580 because of the architecture but ~9 watts more...... who cares

Would I buy an AXP? No. I don't believe that the gains from that cooler will be worth the price since the gigabyte cooler is really good. I would rather put it under water. A full water block is best. It cools the whole card well. The mcw82 is fine. The only problem is getting proper cooling for the VRM's and memory. You will need a decent heatsink and proper air flow through it.

Hope this helps
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post #35 of 35
lol, I didn't know that about the cooler having a vapor chamber. I was wondering what everyone kept talking about the gtx480's having temp issues because mine was running so cool ... lol, I guess that explains that. The thing is, it's a non-ref pcb (at least I think it is), so I pretty much have to go with something like an mcw82 (which I already own anyway). Great article you linked to.
    
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