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Full Cover GPU blocks or universal?

post #1 of 25
Thread Starter 
Performance-wise, which cool the GPU itself better?

I'm wondering about this because I have 2-low end GPUs, and a half-cover block (GPU&RAM) costs $50, and a universal block costs $60. Since I upgrade my video cards rather frequently, I would love to have the universal block; however, I would find this at a loss if it didn't yield close performance to a full-cover block.

Heatkiller partial-cover block
13053_03.jpg

OR

Universal blocks
EK: EK-VGA-ACNK_04.jpg
XSPC: RASA-GPU-universal_05.jpg
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post #2 of 25
Then wouldn't you also have to buy RAM and VRM heatsinks individually for each card?
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post #3 of 25
full board thats final
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post #4 of 25
Tricky question you have there. Full cover blocks would mean replacing the block every time you change GPU, but the universal blocks would mean new memory and VRM blocks each time, even if the universal block would fit the GPU each time (and they don't always).
If you want the most from each card, full cover block is always the way to go, as it cools the mosfets and memory, and you always push those parts hard with the GPU clocking. And besides, once you get 35 reps here, you can sell on the cards to people who will appreciate the blocks you fitted.
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post #5 of 25
Thread Starter 
My 6850's air cooler doesn't even touch the RAM; and there is already a metal heatsink on the VREGs.
front.jpg

I'm thinking that I could keep the universal block, and maybe slap on a few ram heatsinks; either way, it's better than it was before.
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post #6 of 25
buy universal!!!
for future use....
post #7 of 25
only buy universal if you have an odd ball card that no one sells full covers for, imo.
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post #8 of 25
Thread Starter 
Quote:
Originally Posted by Buska103;13075879 
Performance-wise, which cool the GPU itself better?



What I am asking. The GPU processor, not the GPU itself. Do they cool rather equally, or is a full cover superior?
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post #9 of 25
I myself went for full cover. I think it's the best investment as your entire card's key components are cooled to the maximum capacity of your block and loop. This makes overclocking the card an easy thing to do as you aren't limited by air flow over any tiny RAM or VRM heatsinks.

But yeah, those RAM/VRM heatsinks will cost less than a new full cover block for every new graphics card you get so you'd be saving money by getting a universal GPU block and some RAM/VRM heatsinks. Still though, I wouldn't bother unless you just cannot find a full cover block for your card.

I'd also say the full cover one is expected to cool the GPU itself better. There's more surface area for the heat to spread over so it's natural to estimate this.
    
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post #10 of 25
Thread Starter 
The thing is that it's not worth it to spend $100 on a waterblock for a $200 card; so my options are limited to under $60.

I can either get...

half-cover 6850
pros:
  • cheap(er)
  • cools GPU
  • cools RAM
cons:
  • only fits the 6850
  • if I upgrade my card, I'll have to sell the waterblock
  • no VREGs

universal block
pros:
  • fits most cards
  • cools GPU
cons:
  • lower performance?
  • still cheap
  • no VREGs
  • no RAM




My stock 6850 is currently running with a simple long metal heatsink covering the VREGs, so I am very sure that will suffice. My GPU processor itself is covered by the cyclone air cooler. Nothing is covering the RAM chips.

If I go half-cover block, I will just slap on the block. The vregs cooled by metal heatsink, and the GPU and RAM will be cooled by the block.
If I go GPU-only block, I will put the block on the GPU, let the metal heatsink still cool the VREGs, and buy some copper mini-heatsink things to cover the RAM chips.

I would love the expandability of a universal block cause I'm a cheap person; my original question was if the universal block cooled the GPU better than the universal block by a large amount. Approximately, what, 25%? 40%?
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