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[Various] AMD R9 295x2 Reviews - Page 33

post #321 of 539
Quote:
Originally Posted by Aparition View Post

I see your chart... and raise you a video tongue.gif
Like I said, the Dies will be relatively chilly but the rest of the card chipset will suffer. Stock is fine, but once you start raising those volts you will really need a full cover waterblock to keep the card temps in check.

http://www.techpowerup.com/reviews/AMD/R9_295_X2/29.html
You realize that those hot vrm's (the rest of vrm's is cooled by a heatsink with a fan) are on the back where you can't put a waterblock. Just buy some 10$ heatsinks,put them on the uncooled vrm's and call it a day. It's nice to see the gpu temps are really low. Connecting a 240mm rad would probaly drop the temps into high 40's/low 50's . It's still overpriced but at least the gpu's are higher binned. This means that after installing for example full cover waterblock you should be able to get insane clocks. My hd6990 can clock over 1ghz at 1.2V (most hd6970 cannot hit 1ghz at even 1.3V), That shows that dual gpu cards tend to get the highest binned cores. But i'm still waiting for something newer to buy. Hd6990 still keeps up with current games so no need for upgrade now(but maybe in 2-3 years I will buy a new card).
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post #322 of 539
Quote:
Originally Posted by fateswarm View Post

But we are not in the 90s or even early 00s anymore. We are in 2014. A year that to get from 28nm to 20nm or 22nm to 14nm you don't just improve photolithography, you create whole new paradigms, of multiple patterning and other hacky stuff. We can't just go Moore's Law, we struggle to do it even approximately (actually Moore's Law has totally failed for a few years now, the pretense is only held because of Multicore processors).

And let's not even go to 10nm and beyond. That's the point most scientists of the field believe conventional silicon technology will find its ultimate death (and it won't even be fast, east step will be harder and harder to achieve). Enter other technologies like graphene or graphene hybrids or even biological/chemical computers because with conventional silicon, we are at its last days. But even those are uncertain.

Silicon should have been phased out long ago. We've been flogging it for like, 50 years, but no, companies choose to flog it for as much money as they can gather. We could have moved on to graphene or diamond had the focus changed.
post #323 of 539
Quote:
Originally Posted by Phelan View Post

Quote:
Originally Posted by TheLAWNOOB View Post

All this talk of CF goodness makes me wanna tear down my mining rigs and run the 280X on my X58 SLI just for the epeen...

Maybe some day when I have the time...

Don't do it. The older SLI boards are electrically different and running an AMD card on it can and usually will burn it up, depending on the card. The older SLI boards used a strict PCIE 2.0 standard that is not compatible with PCIE 2.1 that AMD adapted. I don't know if PCIE 3.0 compatibility changed the slots on the 280X, but if it's the same as the older AMD cards that were 2.1, bad news.


that's a new one, I never heard of that before... any evidence to prove it?
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post #324 of 539
JunkoXan it was not two minutes, took about 10 seconds, old school knows binary biggrin.gif
post #325 of 539
Quote:
Originally Posted by Phelan View Post

Don't do it. The older SLI boards are electrically different and running an AMD card on it can and usually will burn it up, depending on the card. The older SLI boards used a strict PCIE 2.0 standard that is not compatible with PCIE 2.1 that AMD adapted. I don't know if PCIE 3.0 compatibility changed the slots on the 280X, but if it's the same as the older AMD cards that were 2.1, bad news.

Yeah I'm pretty sure this is wrong.

As a SLI has nothing to do with the slot.

Really on older chipsets the only thing keeping you from turning on SLI/CF on boards with more then one PCI-E slot was drivers.

Plus the X58 chipset is the same for all the 1366 motherboards, Though for a board to be SLI enabled they had to pay Nvidia for support. Even my Intel board didn't get SLI till later in its life with a bios update.
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post #326 of 539
Quote:
Originally Posted by Phelan View Post

Don't do it. The older SLI boards are electrically different and running an AMD card on it can and usually will burn it up, depending on the card. The older SLI boards used a strict PCIE 2.0 standard that is not compatible with PCIE 2.1 that AMD adapted. I don't know if PCIE 3.0 compatibility changed the slots on the 280X, but if it's the same as the older AMD cards that were 2.1, bad news.

I could have sworn I read 3this a few years back. I can't anything about it now. I guess my memory isn't what I thought it was. Carry on redface.gif.
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post #327 of 539
Quote:
Originally Posted by Nickyvida View Post

Silicon should have been phased out long ago. We've been flogging it for like, 50 years, but no, companies choose to flog it for as much money as they can gather. We could have moved on to graphene or diamond had the focus changed.

I doubt it's just corporate greed. Well, there is lag of the establishment of the market and foundries, but it's also about genuinely finding it harder to find an alternative.

e.g. I follow the graphene news. Every single day someone writes of "revolutionary" discoveries but no one has made a practical chip that I see around being used.

And some paradigms like quantum computing aren't even usable as far as I hear for most PC needs. We got to get something like silicon but better, if it exists.
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post #328 of 539
I remember hacking my Crosshair IV Formula to run Sli. Very simple and got my two GTX 470s to work. Long gone are the days where a board was not sli compatible or limited.
post #329 of 539
Quote:
Originally Posted by Durquavian View Post


Not 780 but Titan Black. Haven't seen a chart with 780Ti pulling more in SLI.

It's amazing how reviews can be so different reviewing the same products.

But I'd trust the 3 giving similar numbers over the 1 that is not.
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post #330 of 539
Quote:
Originally Posted by fateswarm View Post

I doubt it's just corporate greed. Well, there is lag of the establishment of the market and foundries, but it's also about genuinely finding it harder to find an alternative.

e.g. I follow the graphene news. Every single day someone writes of "revolutionary" discoveries but no one has made a practical chip that I see around being used.

And some paradigms like quantum computing aren't even usable as far as I hear for most PC needs. We got to get something like silicon but better, if it exists.

Pardon me if my understanding isnt that great, but isnt silicon harder to control and ipc diminishes once it reaches a certain nm aka skylake onwards? If i remember, before the likes of nehalem and so there were chips that reached 100nm and above. Couldnt we scale the new material chips like graphene on a big process and scale it down like what weve been doing all this while with silicon chips?
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