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[WCCF]More AMD HD7900 GCN (Southern Island) Details Leaked: Frequencies, Prices and Release dates - Page 17

post #161 of 226
I'd imagine these cards are going to be running alot cooler. Would it be completely dumb to watercool these?
post #162 of 226
Quote:
Originally Posted by fluxlite View Post

Quote:
Originally Posted by fantasyalive View Post

Quote:
Originally Posted by i7monkey View Post

A 150%-200% speed boost means it's 2.5-3x times faster than the 6970. Are you sure you don't mean 1.5-2x faster?

... 150%-200% when converted to decimals is 1.5-2.

rolleyes.gif

"Increased by 100%" means it has doubled, "Increased by 200%" means tripled.

You wouldn't pass a basic maths exam if you didn't know this biggrin.gif

Not quite, if performance of the 6990 is measured as 100% then 150% would mean 1.5x faster just as 200% would mean 2x faster. No one said it INCREASED by 150% he said it would be 150% - 200% of the CURRENT card basically ie 1.5 - 2x faster. You simply misinterpreted what he was saying either unintentionally or on purpose. Now on the other hand had he said we could expect performance gains of 150% from what the 6990 was/is getting yes that would be 2.5x and not 1.5x faster. thumb.gif
Quote:
Originally Posted by spitty13 View Post

I'd imagine these cards are going to be running alot cooler. Would it be completely dumb to watercool these?

Don't see why you wouldn't want too biggrin.gif Fans on GPUs are just so loud and unless they run really COOL and QUIET I could definitely see people watercooling these.
Edited by DarkHollow - 12/3/11 at 10:55pm
    
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post #163 of 226
Quote:
Originally Posted by DarkHollow View Post


Not quite, if performance of the 6990 is measured as 100% then 150% would mean 1.5x faster just as 200% would mean 2x faster. No one said it INCREASED by 150% he said it would be 150% - 200% of the CURRENT card basically ie 1.5 - 2x faster. You simply misinterpreted what he was saying either unintentionally or on purpose. Now on the other hand had he said we could expect performance gains of 150% from what the 6990 was/is getting yes that would be 2.5x and not 1.5x faster. thumb.gif

I didn't misinterpret anything - someone said the words "200% increase", which means 3x. Someone then rightly questioned it and I responded.

It's a simple mistake to make (I've done it many times) but I agree that it's uneccessary to point out the mistake when it's pretty obvious it's "150% the performance of x" and not "150% faster than x".
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post #164 of 226

I was like "awe yeah!" until I saw the prices. Those prices need to drop quick or else I'm not getting anything. I really wish Kepler does good at a better price.

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post #165 of 226
Prices are good in my opinion compared to the 580 and 570 redface.gif. i would like the get the 7970 but i won't be getting it till reviews are settled smile.gif as for drivers, i've NEVER had any issues with any drivers nvidia or ati biggrin.gif
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post #166 of 226
If the 7970 does drop in January, GTX 580 prices should start plummeting...
post #167 of 226
[QUOTENot quite, if performance of the 6990 is measured as 100% then 150% would mean 1.5x faster][/QUOTE]

Nope! It means 0.5 times faster.It's like this. If you got a Radeon 5850 performs at 30 fps in game x and you got a Radeon 6950 performs at 60 fps it means the 6950 is performing at 100% more
and that converted to decimal is 1.So it means Radeon 6950 is performing 1 times faster than the 5850 Radeon.If Radeon 6950 was at 90 fps it means 200% faster and that is 2 times faster.Must start counting at 0 and not 1!!!
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post #168 of 226
Lord no, overclocking these monsters would make them into godzilla. I imagine with these chips they will have quite a bit of headroom for OC. You'll want water for that wink.gif
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post #169 of 226
Quote:
Originally Posted by bossie2000 View Post

Quote:
Not quite, if performance of the 6990 is measured as 100% then 150% would mean 1.5x faster]
Nope! It means 0.5 times faster.It's like this. If you got a Radeon 5850 performs at 30 fps in game x and you got a Radeon 6950 performs at 60 fps it means the 6950 is performing at 100% more
and that converted to decimal is 1.So it means Radeon 6950 is performing 1 times faster than the 5850 Radeon.If Radeon 6950 was at 90 fps it means 200% faster and that is 2 times faster.Must start counting at 0 and not 1!!!

0.5 times is half as fast. Why is 4th grade math so hard for people?
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post #170 of 226
Quote:
Originally Posted by Homeles View Post

Why is 4th grade math so hard for people?

i failed 4th grade math, but i understand the concept really well biggrin.gifthumb.gif not something to be proud of but oh well redface.gif
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