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[TT] MSI Geforce GTX 680 Lightning Spotted - Page 10  

post #91 of 901
6/15/12 at 7:56pm
Dude, thats EXACTLY what I meant. The boost clock will vary depending on the card. You will get what is guaranteed by the manufacturer which is set in the BIOS, but the boost can be higher depending on chip quality. You can buy 2 680s and one may boost to 1100 out of the box, while the same sku but different card could boost only to 1070. Its luck of the draw.

So boost clock varies with every card, just like I said.

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post #92 of 901
6/15/12 at 8:03pm
Quote:
Originally Posted by xoleras View Post

Dude, thats EXACTLY what I meant. The boost clock will vary depending on the card. You will get what is guaranteed by the manufacturer which is set in the BIOS, but the boost can be higher depending on chip quality. You can buy 2 680s and one may boost to 1100 out of the box, while the same sku but different card could boost only to 1070. Its luck of the draw.
So boost clock varies with every card, just like I said.
You said base & boost clocks vary...

My cards had a difference of 26Mhz, but I was able to change the boost tables and make them match with a moddified BIOS. I also increased my power target to 150% biggrin.gif.

394
Edited by Benchmarksli - 6/15/12 at 8:08pm
post #93 of 901
6/15/12 at 8:16pm
Don't you need a BIOS of another card manufacturer to do that:? I'm not that adventurous, i'd rather just get a lightning and get awesome performance with the flip of a BIOS dip switch.

Anyway, lets return the focus of the thread to the GTX 680 lightning.
Edited by xoleras - 6/15/12 at 8:19pm
post #94 of 901
6/15/12 at 9:20pm
Quote:
Originally Posted by Majin SSJ Eric View Post

I'm telling you guys, Nvidia locked down voltages for a reason and I believe its because the 680's just don't have much headroom, regardless of voltage. They are a mid-range chip that has been pushed to the limits to perform like a high end one. Adding voltage will not matter IMO unless you are using extreme cooling...

I respectfully disagree. The Kingpin findings have already been brought to light. He comes right out and says "most kepler chips are capable of 1400MHz on air."

Now, you are telling me there is no headroom with some voltage? Honestly I don't know why they were locked down. It could be we have seen the end of the days where you can purchase a card for 400 bucks and OC the heck out of it with unlocked voltage. It may be they are taking a page from Intel.
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post #95 of 901
6/15/12 at 10:06pm
i like this new card, it makes sense for a lot of enthusiasts. the MSI one has been in hiding for a while now, it looks good.
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post #96 of 901
6/15/12 at 10:24pm
Quote:
Originally Posted by Johnny_Utah View Post

I respectfully disagree. The Kingpin findings have already been brought to light. He comes right out and says "most kepler chips are capable of 1400MHz on air."
Now, you are telling me there is no headroom with some voltage? Honestly I don't know why they were locked down. It could be we have seen the end of the days where you can purchase a card for 400 bucks and OC the heck out of it with unlocked voltage. It may be they are taking a page from Intel.

There does have to be some headroom for more voltage, if the stock max 1.175V was that hard on the PWM people would be close to being able to kill them with a high overclock. There just isn't a lot of headroom or they would have the voltage unlocked on the reference.
Unlocked voltage is still pretty new, weren't many cards before the 400 series where there was any software voltage control (for nvidia, I'm pretty new to ATI/AMD so dunno much about older ones).

I'm waiting impatiently for the 680 Lightning...
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post #97 of 901
6/15/12 at 10:28pm
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Quote:
Originally Posted by FtW 420 View Post

There does have to be some headroom for more voltage, if the stock max 1.175V was that hard on the PWM people would be close to being able to kill them with a high overclock. There just isn't a lot of headroom or they would have the voltage unlocked on the reference.
Unlocked voltage is still pretty new, weren't many cards before the 400 series where there was any software voltage control (for nvidia, I'm pretty new to ATI/AMD so dunno much about older ones).
I'm waiting impatiently for the 680 Lightning...

This has been my suspicion as well. They locked down voltages and resorted to boost clocks for a reason people...
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post #98 of 901
6/15/12 at 10:39pm
Quote:
Originally Posted by Majin SSJ Eric View Post

This has been my suspicion as well. They locked down voltages and resorted to boost clocks for a reason people...

That reason being that Nvidia likes to cut costs. There's a reason why their reference boards are generally referred to being of inferior quality relative to AMD's.
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post #99 of 901
6/15/12 at 10:51pm
Quote:
Originally Posted by Majin SSJ Eric View Post

This has been my suspicion as well. They locked down voltages and resorted to boost clocks for a reason people...

So then reaching 1400 MHz on air was a fluke eh?
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post #100 of 901
6/16/12 at 4:29am
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It was a fluke in the sense that Kingpin is sponsored by Nvidia and therefore has access to cherry-picked chips, tools and support that no end user will ever have...
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