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Radeon HD 5970 Offers Massive Overclocking Headroom

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good job amd all i can say
 

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You know what would be more awesome than this?! If there were actual 58XX series cards on the F*#KING market to be bought!
 
T

TAViX

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Nice! I'm curious about nVIDIA response. When it will come... Next year, or next millennium...:banghead:
 

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Btarunr said NDA lifts on the 19th, so I assume the card will be available around then as well at the new drivers.

Make that 18th :)
 

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Hey, I thought that videocards are OCed with ATI Catalyst, not AMD OverDrive! Isn't that right?

Both from what I remember. Ether or.
 
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Amd clock tool is VERY reccomended download.

You can monitor min, avg, max temp of EACH core, and clock.

Its from AMD, and is widely available.

Then set your clocks in CCC :)
 
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Anyone know how long this it is?
 

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If the price is good - I might be getting one of these instead of a 5870
 

sideeffect

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those numbers are no hard limit.. given a decent psu (any) you can easily overdraw the external power connectors without any harm. 150w from a single 6 pin is no problem.
if an intel cpu is specced to 3 ghz and you can run it at 4.5g you dont ask "where do the mhz come from?"

No offence but that analogy sucks :)

The extra MHz on the CPU comes from giving it more power. You could perhaps lower the Vcore and add MHz and keep at the same power draw but you are not getting something for nothing. You are limited by the amount of power + how efficiently the device can utilise the available power.

You can draw 150w from a single 6 pin no problem? Evidence please because from what I have seen with my ATI 4850 which had 1 x 6 pin this was not the case and it was power starved. I was using a 1KW OCZ ProXtreme to power it as well.
 

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No offence but that analogy sucks :)

The extra MHz on the CPU comes from giving it more power. You could perhaps lower the Vcore and add MHz and keep at the same power draw but you are not getting something for nothing. You are limited by the amount of power + how efficiently the device can utilise the available power.

You can draw 150w from a single 6 pin no problem? Evidence please because from what I have seen with my ATI 4850 which had 1 x 6 pin this was not the case and it was power starved. I was using a 1KW OCZ ProXtreme to power it as well.

:laugh: Oh man you just pwnd yourself nasty!
 
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I will believe it when I see it.

Same here.

Source? "XtremeSystems Forums"? I'm reserving my judgment for after this thing is benchmarked by some respected sites like iXBT Labs or similar.
 

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Do you even know what we were talking about?

Yeah I know what your talking about. I also know W1zz is the owner of the website and has a vast amount of experience and wouldn't be talking out of his ass. I am far more inclined to take his word over yours.

Saying his "analogy sucks" isnt the smartest thing to do.
 
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Yeah I know what your talking about. I also know W1zz is the owner of the website and has a vast amount of experience and wouldn't be talking out of his ass. I am far more inclined to take his word over yours.

Saying his "analogy sucks" isnt the smartest thing to do.

+1 to that...

Sideeffect, Just how was that 4850 was "power starved"? did you volt mod it? or just because you couldn't overclock it past whatever MHz you assumed that the chip was not getting enough power?

Ive seen 4pin cpu plugs melt with too much power going through them and I can attest to the fact that a plug will give as much power to a device as it draws until the PSU doesnt give it anymore/plug melts...

Maybe your PSU had a hard limit on the 6 pin of 75W... iDK, I know mine doesn't.
 
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Amd clock tool is VERY reccomended download.

You can monitor min, avg, max temp of EACH core, and clock.

Its from AMD, and is widely available.

Then set your clocks in CCC :)
If there is no "OC limit" in CCC, I might as well use MSI Afterburner which is the tool of choice for me. :toast:
 

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If there is no "OC limit" in CCC, I might as well use MSI Afterburner which is the tool of choice for me. :toast:

Seconded, if there is voltage control, clocks up to 1ghz/6ghz, then Afterburner is already perfect to take care of that. tool of choice f'sho'
 

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No offence but that analogy sucks :)

The extra MHz on the CPU comes from giving it more power. You could perhaps lower the Vcore and add MHz and keep at the same power draw but you are not getting something for nothing. You are limited by the amount of power + how efficiently the device can utilise the available power.

You can draw 150w from a single 6 pin no problem? Evidence please because from what I have seen with my ATI 4850 which had 1 x 6 pin this was not the case and it was power starved. I was using a 1KW OCZ ProXtreme to power it as well.

power starved doesn't even exist .. power is a function of current and voltage, when you increase the current drawn, the voltage at your endpoint drops due to the resistance in the wire. if you draw too much power either the voltage drops below a value that the card's voltage regulations circuitry need to work reliable, or your wires will heat up and burn. if you want more detailed physics formulas let me know.

when i have a few minutes i'll try to power tomorrow's card through a single 6-pin molex
 

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power starved doesn't even exist .. power is a function of current and voltage, when you increase the current drawn, the voltage at your endpoint drops due to the resistance in the wire. if you draw too much power either the voltage drops below a value that the card's voltage regulations circuitry need to work reliable, or your wires will heat up and burn. if you want more detailed physics formulas let me know.

when i have a few minutes i'll try to power tomorrow's card through a single 6-pin molex

Exactly. If the 4850 was truly "starved" for power it wouldn't run reliable OR wouldn't work at all. Also adding voltage can have the reverse effect on circuits. Maybe THIS is why it only had one PCI-E connector? :D

If your PCI-E power cord wasnt supplying enough power I would look at your PSU. Also it may have been supplying the power but the power may have been "dirty". Watch them ripples son ;)
 
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Exactly. If the 4850 was truly "starved" for power it wouldn't run reliable OR wouldn't work at all. Also adding voltage can have the reverse effect on circuits. Maybe THIS is why it only had one PCI-E connector? :D

If your PCI-E power cord wasnt supplying enough power I would look at your PSU. Also it may have been supplying the power but the power may have been "dirty". Watch them ripples son ;)

oh, ripples :(
 

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Exactly. If the 4850 was truly "starved" for power it wouldn't run reliable OR wouldn't work at all. Also adding voltage can have the reverse effect on circuits. Maybe THIS is why it only had one PCI-E connector? :D

If your PCI-E power cord wasnt supplying enough power I would look at your PSU. Also it may have been supplying the power but the power may have been "dirty". Watch them ripples son ;)

adding extra connectors does not increase the voltage (parallel circuit). all it does is add more wire diameter which reduces resistance which allows more current per °C temp increase which allows more current to flow before your cables melt
 

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adding extra connectors does not increase the voltage (parallel circuit). all it does is add more wire diameter which reduces resistance which allows more current per °C temp increase which allows more current to flow before your cables melt

It safety increases the flow of power correct? As each connection is rated to a maximum voltage/current?

What I meant by "only having one PCI-E" connector wasn't to increase voltage but to maintain the integrity of the power connection.
 

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yes, it is specified to a maximum current (google for awg 18), specified means you can run it outside of spec, a realistic limit is when the cables get hot to the touch, the physical limit is when the insulation starts to burn or melt->the wire touches some ground bzzzt
 

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Does anyone find it odd that with the total power from the pci-e slot (75W), the 6 pin (75w) and the 8 pin (150w) that there is only an additional 6w left for overclocking (using their 294w max)? I'm not sure what kind of overclock 6w will bring you but then again, does taking the card to the max power draw even sound intelligent? By design, this card sounds like an overclocking dud.

Barr

EDIT: Oh, I see this is already being discussed - I guess reading only the first page leads to dupe posts :)
 
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