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[TPU] Zotac unveils watercooled gpu solutions - Page 10

post #91 of 118
Quote:
Originally Posted by Partol View Post
"Gaming sessions at 25min each:"

"Quick Furmark test"

"(20 mins)"

"(30 mins)"

"OC Scan running for 20 mins"


All those temperature tests are short. His tests run no more than 30 minutes. What about gpu folding 24/7? Or long gaming sessions?

There's plenty of reviews out there to convince me its an effective alternative. Just search for "OMNI ALC Review"

I dont fold either, nor have any desire. So that doesn't concern me much.
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post #92 of 118
Im curios if Zotac will be offering 240 rads and SLI setup like so:



http://www.maximumpc.com/article/new..._support_fermi
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post #93 of 118
Quote:
Originally Posted by Glancey View Post
Practically everyone seems to be severely overestimating the heat output of a GPU. a 120mm radiator is enough.

You may be fooled in to thinking graphics cards put out a lot of heat because their temps always seem so high. This is incorrect. Temps are generally high because of the confined space and limitations to heatsink design. In reality they put out less heat than most CPUs.
You were 100% right...till you wrote that bolded part. In fact, gpu's do produce a ton more heat than cpu's per normal basis...but they are much easier to cool because their surface is hell bigger than on a cpu.

Quote:
Originally Posted by nolonger View Post
Sure, but the heat still has to go somewhere. The heat transfer between the GPU and heatsink is better than the CPU and the heatsink, but the heat still has to leave the heatsink somehow. 250W is nearly double the heat a CPU produces meaning what can cool a CPU won't necessarily cool a GPU.
Nah. Unless, talking about heatpipes (for example), you are saturating them there is no way you can't get better temperatures with the same cooling method on a gpu vs a cpu, per pure surface area. A cpu has a veeeeeeeeeery small area compared to a VGA, and it also has a lot less heat tolerance. That is why you can cool no problem any VGA (no matter the overclock) card with a simple 120mm rad without noisy fans...but you can't do the same with a cpu, because you need much lower temps due to the lower surface and lower heat tolerance.

Quote:
Originally Posted by StormX2 View Post
wow that will not stay cool.. i dont care what you say that is not enough
Then you know nothing about how WC works, I'm afraid.
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post #94 of 118
Quote:
Originally Posted by Partol View Post
"Gaming sessions at 25min each:"

"Quick Furmark test"

"(20 mins)"

"(30 mins)"

"OC Scan running for 20 mins"


All those temperature tests are short. His tests run no more than 30 minutes. What about gpu folding 24/7? Or long gaming sessions?
Run a stress test yourself and mark temperatures at the 30 min mark and at the 2 hour mark. You'll see a difference of no more than 2ºC unless your case has improper airflow.

Quote:
Originally Posted by prava View Post
Nah. Unless, talking about heatpipes (for example), you are saturating them there is no way you can't get better temperatures with the same cooling method on a gpu vs a cpu, per pure surface area. A cpu has a veeeeeeeeeery small area compared to a VGA, and it also has a lot less heat tolerance. That is why you can cool no problem any VGA (no matter the overclock) card with a simple 120mm rad without noisy fans...but you can't do the same with a cpu, because you need much lower temps due to the lower surface and lower heat tolerance.
Again, the area is not the bottleneck as much as the heat capacity of the heat sinks. The difference between a CPU and a GPU in terms of wattage is huge for it to matter how big the source of the heat is.

If the wattage was nearly the same and you had one bigger heat source, that one would obviously run cooler as the heat transfer to the heat sink is better. My original point was that it doesn't matter if it can cool a CPU, because a GPU is a total different beast. A heat sink won't magically get better temps cooling a GPU.

The difference we MIGHT see when changing the same cooling solution between a processor and a video card is the delta in temperatures between the heatsink fins and the core temperature. That delta is much larger in a processor.

I understand what you're saying about the surface area and I agree, but just because a 120mm rad can effectively cool a processor, doesn't mean it can cool a video card as well.
post #95 of 118
This just show's how CoolIt havnt been able to sell theyr omni systems, so now the card manufactors can buy them cheap and sell these cards for even more money...
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post #96 of 118
Quote:
Originally Posted by Johnsen View Post
This just show's how CoolIt havnt been able to sell theyr omni systems, so now the card manufactors can buy them cheap and sell these cards for even more money...
Actually they were quite popular but did have fulfillment issues. When inventory came in, they were gone pretty quick with no ETA on the next batch of orders. Hopefully those issues are a thing of the past. They retailed for $220 back then directly thru Coolit and Zotac's SRP is supposedly $169.
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post #97 of 118
I finally found this system I've been trying to remember ever since this thread was posted.
http://www.techpowerup.com/147093/PN...ics-at-E3.html
There you go. CPU and GPU both cooled with a single fan radiator in a closed loop system.
I say there's no possible way that a single rad solution will cool a GPU, much less a GPU and CPU at the same time.
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post #98 of 118
Quote:
Originally Posted by 3dfxvoodoo View Post
lol
that will not stay coo l with a 120mm rad
Quote:
Originally Posted by SgtMunky View Post
Is that 120mm rad enough? What if its not... you can't upgrade :/
You know what?

I highly doubt that they would release a product that wont cool the card probably when thats its main purpose.

I hear there's this thing called "T E S T I N G"
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post #99 of 118
Quote:
Originally Posted by Nutty Pumpkin View Post
You know what?

I highly doubt that they would release a product that wont cool the card probably when thats its main purpose.

I hear there's this thing called "T E S T I N G"
There's testing and then there's testing. Some companies only test and/or guarantee their products if they're only run in a stock-clocked state. Over-clocking is a reason for not supporting the warranty of a product.
I own a computer from Falcon NorthWest. I called and asked about overclocking it. I was told that Falcon NW does not support overclocking and if it was done with "their" computer that they would void the warranty. Falcon NW was the sponsor of some of SysMarks 3DMarks series of overclocking tests. When I mentioned this to the person at Falcon NW he hung up on me!
Exactly the same with MSI. I thought that they'd have a s*** fit when I couldn't get one of their MSI Lightning Xtreme's to even post in my sig computer and they insisted that I first return my computer to stock settings. It still didn't work so I RMA'd it and will buy another brand. If they don't support overclocking then they should NOT use any OCing features or advertise their high benchmark records from OCing their cards and motherboards.
I doubt that there are more than a mere handful of people on this site that do not OC their computers and so these items would be worthless to us since it doesn't take a rocket scientist to realize that this thing could never properly cool one of our graphics cards since a single fan radiator could never eliminate the high heat coming from our GPU's. Yes, it could cool a card enough to run it, IF it didn't get too hot! It's like comparing a table fan to a full-sized air conditioner. Sure, the fan will keep you cool enough, unless you get too hot.
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post #100 of 118
looks kinda neat....cant wait to see some benches/oc's/temps.
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