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Old Jul 8, 2005, 11:03 PM   #1
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Default Post G70 has 'many' clocks - Nvidia

Nvidia's Chief Scientist, David Kirk has suggested that "People just don't know as much as they think they do" when it comes down to the "Many" clocks within the GeForce 7800, aka G70.

"It's somewhat hard for us to say 'the core clock in G70 is this single number'", says Kirk. "We didn't want to be accused of exaggerating the clock speed, so we picked a conservative number to talk about the core clock speed. But, yes, that is just one of the multiple clocks."

David's comments come as he speaks exclusively to bit-tech about the issue which has become a hot topic amongst the community over the past couple of days, following the discovery that RivaTuner was reporting varied clock speeds for the 7800. We met with David in central London today, and he talked to us about many different issues. We'll have the full interview for you tomorrow, but we couldn't sit on this one until then.

"People have said that G70 doesn't have any new architecture, but that's not really true. It has new architecture, it's just not always visible.

"The chip was designed from the ground up to use less power. In doing that, we used a lot of tricks that we learned from doing mobile parts. The clock speeds within the chip are dynamic - if you were watching them with an oscilloscope, you'd see the speeds going up and down all the time, as different parts of the chip come under load."
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Old Jul 8, 2005, 11:03 PM Threadstarter Thread Starter   #2
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Neat!
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Old Jul 8, 2005, 11:14 PM   #3
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Very cool indeed!
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Old Jul 8, 2005, 11:20 PM   #4
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"So why haven't we heard about this feature before?"

Becouse they had something to hide or didn't know how the entusiasts would take it.

If it hadn't been discoverd and reported by the right people you still would never know
about it. If it was such a usefull "feature" expect it would be advertised and given a flashy
name... Why would they hide somehing that would sell them more cards???

(probubly dynamically over clocks it self based on temps)
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Old Jul 8, 2005, 11:37 PM   #5
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I would have guessed they were using a version of AMD's Cool and Quiet except for their silence. I can't help but think they are somehow pulling another fast one based on nVidia's past history. If their driver is reporting one clock rate when it is really adjusting/overclocking the card (without notice to the end user), that is just as deceptive as reporting DirectX 9 shaders in benchmarks and replacing them with DirectX 8.1 shaders.

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Old Jul 9, 2005, 12:26 AM   #6
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Quote:
Originally Posted by ChrisW
I would have guessed they were using a version of AMD's Cool and Quiet except for their silence. I can't help but think they are somehow pulling another fast one based on nVidia's past history. If their driver is reporting one clock rate when it is really adjusting/overclocking the card (without notice to the end user), that is just as deceptive as reporting DirectX 9 shaders in benchmarks and replacing them with DirectX 8.1 shaders.
Sure is they are with out a doubt hideing something a
nd this is just damage control
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Old Jul 9, 2005, 12:46 AM   #7
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Last time I checked my PC was plugged into the mains and not ran on batteries. I couldnt give 2 flying monkeys about powersaving abilities, my electricity bill is hardly crippling me. When I switch on my PC I want cold hard power I'll leave the powersaving crap for my 3 laptops
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Old Jul 9, 2005, 12:46 AM   #8
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Why do you think they are trying to hide anything? Maybe they figured it was no big deal.

Why would it matter any ways, other then the card being faster then anything from ATI right now? Don't worry we all know ATI will jump ahead of Nv when they release their next card, then Nv will jump ahead when it releases it's next card and on and on and on. The only one who wins is us, the customers.

I don't see what the big deal is/was, please explain why having more then one clock is pulling a fast one or what they are trying to hide?

No offense but it sounds like your trying to find something/anything to make the fastest card out slower ????
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Old Jul 9, 2005, 12:53 AM   #9
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Im sure you'll find the only ones who really win are the manufacturers accounts department. Lets finish this generation before we start on the next one.
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Old Jul 9, 2005, 01:27 AM   #10
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Quote:
Originally Posted by rudedog
please explain why having more then one clock is pulling a fast one or what they are trying to hide?
It all depends on what they are doing. If the card is automatically overclocking itself when you run a benchmark yet the control panel is telling you the card is still at it's default clock rate then they are purposely deceiving you. I'm not saying that is what they are doing, just that I would not be surprised based on their past history.
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Old Jul 9, 2005, 01:30 AM   #11
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Quote:
Originally Posted by Lelisevis
Last time I checked my PC was plugged into the mains and not ran on batteries. I couldnt give 2 flying monkeys about powersaving abilities, my electricity bill is hardly crippling me. When I switch on my PC I want cold hard power I'll leave the powersaving crap for my 3 laptops
less power used = less heat = less cooling = less noise

so now would you care about it?
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You know, there's "off topic" and then there's so freakin' off topic it you gotta wear a straitjacket to join the conversation.
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Old Jul 9, 2005, 02:11 AM   #12
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I live in North of England where it's always cold and im half deaf from firing pistols, throwing flashbangs during house clearances, launching artillery strikes and driving tanks so this time im afraid it's a definite no
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Old Jul 9, 2005, 02:28 AM   #13
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Nothing to hide, they just tried to keep in under wraps to prevent ATI from copying.
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Old Jul 9, 2005, 03:22 AM   #14
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the card is kicking butt. what is the problem? sounds to me like they might have more room for a speed upgrade when ati eventually does their release.
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Old Jul 9, 2005, 04:13 AM   #15
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Quote:
Originally Posted by mike2h
the card is kicking butt. what is the problem? sounds to me like they might have more room for a speed upgrade when ati eventually does their release.
That's the thing. They may be using all the power the card has while the end-user thinks they still have plenty of room to overclock the card. What is the point in having the clock rate sliders if the card automatically overclocks itself anyway? What is the point in selecting a clock rate in the control panel when it is going to increase/decrease itself reguardless of what you want? Let's not forget this may have the effect of unfairly skewing the benchmark numbers in nVidia's favor due to the fact that reviewers were unaware the card overclocked itself, and thus the competing cards were not similarly overclocked.

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Old Jul 9, 2005, 04:30 AM   #16
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I guess really relying on overclocking now is a little bit of a mute point. I mean my MB can overclock(and underclock) my machine by up to 15% on the fly. I'm guessing looking at clock speeds for VPU's are going to go the way of the CPU's. Clock rates start not meaning dick all.

Which means confusing the hell out of people yet again when they want to buy the best card.
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Old Jul 9, 2005, 04:34 AM Threadstarter Thread Starter   #17
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In the end all that matters is the IQ and the number of frames that are being pumped out. I don't care if NVIDIA is telling me their cards are running at 5 MHz/20 MHz, if I can play my games at 1280x960 with IQ settings up at 60+ FPS, then I will buy it.

Like MSX said, clockspeeds are beginning to mean nothing.
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Old Jul 9, 2005, 05:10 AM   #18
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Quote:

That's the thing. They may be using all the power the card has while the end-user thinks they still have plenty of room to overclock the card. What is the point in having the clock rate sliders if the card automatically overclocks itself anyway? What is the point in selecting a clock rate in the control panel when it is going to increase/decrease itself reguardless of what you want? Let's not forget this may have the effect of unfairly skewing the benchmark numbers in nVidia's favor due to the fact that reviewers were unaware the card overclocked itself, and thus the competing cards were not similarly overclocked.
whatever. people are overcolcking them & the 40mhz increase happens on top of the oc. it is not some sneaky conspiracy to conquer the world. it is just part of their design & is also a way to save power. which is a good thing on many levels.
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Old Jul 9, 2005, 05:34 AM   #19
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Wouldn't it be hard to make a change at this point a few mounths before they ship?
Hmmm.. auto overclock acording to temps it kinda like overdrive iver reverse!

Overdrive for the X850 reads the temps and keeps your set overclock
If the temps rise it will lower the overclock to protect the card.

their soultion is in the hard ware , is not disableable, sets the card to stock,
then overclocks when a 3d application is opened according to temp

Wich is EXACTLY like ASUS's AI wich is done via hardware
(ASUS is nvidias b***) over clocks then a intensive application is run.
So its not exactly "orgional"

So saying ati might copy it, the qestion is who nvidia copied it from Asus?
or reverse ATI? To me they just copied the idea from asus


Quote:
Originally Posted by ChrisW
It all depends on what they are doing. If the card is automatically overclocking itself when you run a benchmark yet the control panel is telling you the card is still at it's default clock rate then they are purposely deceiving you. I'm not saying that is what they are doing, just that I would not be surprised based on their past history.
Even when 1st dicoverd they were vague about it that it was the intial clock speed and they'd work with the tool makers rivetuner to make sure they show the correct "clock"

Quote:
"As our chips become more advanced, we are implementing more complex clocking inside the chip. 430MHz is the primary clock speed of the chip and can be verified by fill rate tests. "

We will work with Rivatuner to read the correct registers in order to report the right clock..
Wich would be 430mhz always ??? (wich isn't true)
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Old Jul 9, 2005, 06:00 AM   #20
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I wouldn't say they copied it from Asus since their mobile parts have done some thing similar to this for awhile.
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Old Jul 9, 2005, 06:19 AM Threadstarter Thread Starter   #21
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Quote:
Originally Posted by mike2h
it is just part of their design & is also a way to save power. which is a good thing on many levels.
Which has become all too important these days.
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Old Jul 9, 2005, 05:04 PM   #22
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Quote:
Originally Posted by Necrosis
I wouldn't say they copied it from Asus since their mobile parts have done some thing similar to this for awhile.
Well asus intro introduceing it well a over year ago, with thier nvidia partener
setting right next them. I was there for at one such event.

Thats true Intel and AMD mobile CPUS have done it too again before nvidia.
So much of it being "orginal" though... They down clock to censerve power
when the cpu isn't being fully utilized. The but cpus aren't sold at one clock
speed and they don't self overclock behind the scences.

something that if impmented wouldn't
have to be copied form them like they like to say even when ATI is 1st in
introduceing something. people still say they copied...

None the less if there wasn't something to hide they would of annouced it...

isted of makeing it look they jumped so much with just a 100mhz more memory,
and 30 mhz more core... improvement over the 6800U

Also it likely to verry from card to card so that too could not make buyers happy.

Trying to make thier hardware look so much better at 430 mhz, like they actually
impoved the desighn alot insted of simply getting better clock rates . Its a matter
of pulling the wool over the consumers eyes like useal with them.
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Old Jul 9, 2005, 06:02 PM   #23
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because they did not know that, as usual, everybody with the capability was going to be analysing the card to the outmost of their ability & nobody would be able to figure out that something was going on? please.
wha texactly are they hiding? does this have anything to do with your evil empire theory?
do not get me wrong, i am really curious as to reason & effect of the differing speeds. they probably made a pr mistake in not announcing it, but until we get all the facts can we please not jump on the big, bad conspiracy band wagon?
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Old Jul 9, 2005, 06:22 PM   #24
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Quote:
Originally Posted by ChrisW
That's the thing. They may be using all the power the card has while the end-user thinks they still have plenty of room to overclock the card. What is the point in having the clock rate sliders if the card automatically overclocks itself anyway? What is the point in selecting a clock rate in the control panel when it is going to increase/decrease itself reguardless of what you want? Let's not forget this may have the effect of unfairly skewing the benchmark numbers in nVidia's favor due to the fact that reviewers were unaware the card overclocked itself, and thus the competing cards were not similarly overclocked.
That could be looked at in a different way, if the cards were designed to vary clock speeds in use, and the higher speed was part of its design, its not an overclock is it? If 470Mhz is Nvidias target speed for 3d, and 430 its idle speed, wheres the unfair comparison? other cards run at max MHz all the time, which in 2d mode is a waste of power, maybe Nvidia though of that while designing the 7800 series? just a thought.
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Old Jul 9, 2005, 06:40 PM   #25
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Quote:
Originally Posted by mike2h
because they did not know that, as usual, everybody with the capability was going to be analysing the card to the outmost of their ability & nobody would be able to figure out that something was going on? please.
wha texactly are they hiding? does this have anything to do with your evil empire theory?
do not get me wrong, i am really curious as to reason & effect of the differing speeds. they probably made a pr mistake in not announcing it, but until we get all the facts can we please not jump on the big, bad conspiracy band wagon?
Ther are thing that are missed all the time. Like features that are upcomeing hidden in offical drivers unless some one blindly trips over it you never know its there.

Evial empire thery? If I had to give Nvidia tatics since many years ago has been if I had to put a name on it it would be "smoke and mirrors"diverionary tatics and tricks, wich can also be seen as deceptions wich thier good at. lieing, hideing things form you, doing stuff that could be considerd unfair pratices but tricks & deceptions covers it all.

"smoke and mirrors" man "smoke and mirrors"
Their logo should be have you been douped today?

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Originally Posted by Stop It
That could be looked at in a different way, if the cards were designed to vary clock speeds in use, and the higher speed was part of its design, its not an overclock is it? If 470Mhz is Nvidias target speed for 3d, and 430 its idle speed, wheres the unfair comparison? other cards run at max MHz all the time, which in 2d mode is a waste of power, maybe Nvidia though of that while designing the 7800 series? just a thought.
Becouse you not told its full speed and the speeds verry. So insted of being advertised as
430 mhz core they would have been advertised a "470" but there is more then one clock
rate it possably can run at... It not advertised and if rivia tuner hadn't read the correct registers we wouldn't be talking about it now! You still wouldn't know about it. Maybe never would of or at lest not for a long time. especailly since they wil get the tools to repart the allways accurate clock speed of 430 at all times

The cards are not as advertised being 430 mhz all the time. To make the card look like they made a leap in design as oppsed to a leap in core clock rate since thier finaly uses process like lowk used by ati for years. They they said were "dangerious".

Wich would be be more apt to buy?

1) A card thats a magor improvement in desighn and decent boost in performance?
Small clock rate change over pervious genertion but big performance boost, Wow!


2) A card thats a minor improvement in desighn and decent boost in performance?
Clock rate change over pervious genertion = the resulting performance boost, oh!
As in a overclocked card would displace alot of the need to bother upgradeing...

I mean If your runing a 6800U/X850 there would far be less buyers that think they
need to jump on thier G70 banad wagon. There was less of a chane then thier letting
on it seems.
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Old Jul 9, 2005, 06:44 PM   #26
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Quote:

That could be looked at in a different way, if the cards were designed to vary clock speeds in use, and the higher speed was part of its design, its not an overclock is it? If 470Mhz is Nvidias target speed for 3d, and 430 its idle speed, wheres the unfair comparison? other cards run at max MHz all the time, which in 2d mode is a waste of power, maybe Nvidia though of that while designing the 7800 series? just a thought.
good point. the problem is, that hey advertise the card with the lower clock speed. i agree with the naysayers on this one - IF the whole gpu runs at the higher clock spedd all/most of the time while in 3d mode it should be sold at that speed.
what i dont like is the claims of sneaking/cheating. if the cgpu runs at that higher speed in bemchmarking & gaming then it is not cheating. period. but until we get all the facts none of this really matters because we just do not know.
i think it is a kickass(though overpriced card) card that is going to get faster down the road. i think some people have sour grapes about that.
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Old Jul 9, 2005, 06:49 PM   #27
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neon, the card is much faster, period. you cant 'dupe' people with 'smoke & mirrors' into beleiving that.
like i said it was a foregone conlusion that somebody was going to figure out what was going on. somebody ALWAYS finds out.
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Old Jul 9, 2005, 06:52 PM   #28
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In my honest opinion I think neons got a long standing hatred on Nvidia and any HINT of anything untoward he jumps on and makes a scandal, we still do not know whats fully going on here, or in fact how the G70 core works, to be accusing them on scant evidence is setting yourself up for a fall neon, wait for the facts, the FULL facts, then you can flame away, until then, you're making yourself look quite foolish and biased.
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Old Jul 9, 2005, 06:55 PM   #29
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Quote:
Originally Posted by mike2h
good point. the problem is, that hey advertise the card with the lower clock speed. i agree with the naysayers on this one - IF the whole gpu runs at the higher clock spedd all/most of the time while in 3d mode it should be sold at that speed.
what i dont like is the claims of sneaking/cheating. if the cgpu runs at that higher speed in bemchmarking & gaming then it is not cheating. period. but until we get all the facts none of this really matters because we just do not know.
i think it is a kickass(though overpriced card) card that is going to get faster down the road. i think some people have sour grapes about that.
yea but if it were not for the riva truner incodent everyone would
still think the card is runing a 430 MHZ all the time as "advertised"
by sellers and by reviewers who were unaware of this hidden fact.

Othen then that it seems the over clocking is limited. Becouse If you dro better cooling
on the GPU like watter cooling / promethia etc and if the temps drop below 50C the gpu foces down clocks and protects it self. wic is something thier working on fixing
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Old Jul 9, 2005, 07:00 PM   #30
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Quote:
Originally Posted by The_Neon_Cowboy
yea but if it were not for the riva truner incodent everyone would
still think the card is runing a 430 MHZ all the time as "advertised"
by sellers and by reviewers who were unaware of this hidden fact.

Othen then that it seems the over clocking is limited. Becouse If you dro better cooling
on the GPU like watter cooling / promethia etc and if the temps drop below 50C the gpu foces down clocks and protects it self. wic is something thier working on fixing
Just to smack your "limited overclocking" agrument into touch, I found this quote on guru3d
[color=White]"Even if you overclock your GeForce 7800 GTX towards 500 MHz the actual realtime monitoring results would show back 540 MHz, again that 40 MHz difference"

There is more to this than you know neon, there ARE clocks that stay at 430mhz in games, there are others that move up, if they said it was a full 470Mhz you'd be saying "OMFG not all clocks are 470MHZ, some stay at 430, MIS-ADVERTISING!" right now, Read this, realise this issue isnt as open and shut as you'd like, and wait to see what pans out, ok?

[/color]
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