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Written by Olin Coles   
Friday, 01 October 2010
Table of Contents: Page Index
ASUS ENGTX480/2DI/1536MD5 GeForce GTX 480
Features and Specifications
Closer Look: ASUS ENGTX480
Video Card Testing Methodology
DX10: 3DMark Vantage
DX10: Crysis Warhead
DX11: Aliens vs Predator
DX11: Battlefield Bad Company 2
DX11: BattleForge
DX9 SSAO: Mafia II
DX11: Metro 2033
DX11: Unigine Heaven 2.1
ASUS ENGTX480 Overclocking
NVIDIA APEX PhysX Enhancements
NVIDIA 3D-Vision Effects
GeForce GTX480 Temperatures
VGA Power Consumption
Editor's Opinion: NVIDIA Fermi
ENGTX480/2DI/1536MD5 Conclusion

ASUS ENGTX480 Overclocking

Since the GeForce GTX 480 as already the most powerful single-GPU video card available, not everyone will feel the need to overclock. When loaded during high-demand gaming sessions the surface heatsink on the ENGTX480 gets very hot to the touch, and overclocking the GF100 GPU and adding voltage would further exasperate heat output. But, if it's an overclocked GeForce GTX 480 you want, it's and overclocked GTX 480 you'll get. ASUS offers two free software tools with the ENGTX480 kit: ASUS SmartDoctor Overclocking Utility and ASUS GamerOSD On-Screen Display Utility. The ASUS SmartDoctor Overclocking Utility software is intended to compliment their Voltage Tweak feature with vCore adjustments.

Back in the day, software overclocking tools were few and far between. Benchmark Reviews was literally put on the map with my first article: Overclocking the NVIDIA GeForce Video Card. Although slightly dated, that article is still relevant for enthusiasts wanting to permanently flash their overclock onto the video cards BIOS. Unfortunately, most users are not so willing to commit their investment to such risky changes, and feel safer with temporary changes that can be easily undone with a reboot. That's the impetus behind the sudden popularity for software-based GPU overclocking tools.

NVIDIA already offers one such utility within their System Tools suite, formerly named NVIDIA nTune. While the NVIDIA Control Panel interface is very easy to understand an navigate, it's downfall lies in the limited simplicity of the tool. It's also limited, and doesn't offer the overclocking potential that ASUS offers in branded SmartDoctor software tool.

NVIDIA-nTune-GeForce-GTX-460-1GB.png

NVIDIA System Tools Overclocking Utility

ASUS SmartDoctor

My mission was simple: locate the highest possible overclock without adding any additional voltage. In the past, software-based overclocking on ASUS video cards has been accomplished through the GamerOSD program. Now these tasks are handled by ASUS SmartDoctor (illustrated below), which is described as "intelligent hardware protection and a powerful overclocking tool". The ASUS SmartDoctor tool allows users to overclock their ASUS video card's GPU and RAM, and at the same time monitor thermal output. ASUS simplifies the on-screen feedback with notes such as "Your VGA Card is OK.", but more advanced users will appreciate the in-depth data that displays along the upper-right corner.

ASUS-SmartDoctor-GeForce-GTX460.jpg

ASUS SmartDoctor Overclocking Utility (GTX 460)

Unlike the NVIDIA System Tools utility that measures memory clock speeds in dual data rate, the ASUS SmartDoctor utility measures memory speed in quad data rate. This means that the stock speed of 1000MHz GDDR5 appears as 4000MHz in the utility. The ASUS SmartDoctor utility worked well to overclock GPU clock speed, while Vcore voltage (not changed) allowed plenty of available range thanks to the added Voltage Tweak functionality. As a best practice, it's good to find the maximum stable GPU clock speed, and then drop back 10 MHz or more. After several trial-and-error gaming sessions to confirm stability, the ASUS ENGTX480 produced a final overclock the reached 840/1680MHz GPU and a 1940MHz GDDR5 memory overclock that resulted in some very impressive gains!

Video Game Standard Overclocked Improvement
700/1401 MHz 840/1680 MHz
Crysis Warhead 34 39 15%
Aliens vs Predator 37.1 41.6 12%
Heaven 2.1 36.6 42.9 17%
Mafia II 57.8 65.0 13%

ASUS GamerOSD

Want to boost graphics card performance without exiting the game? Activate ASUS GamerOSD anytime during gameplay and adjust the GPU clock for instant overclocking. Real-time FPS (frames per second) status is also available to keep track of performance improvements. The ASUS GamerOSD (On-Screen Display) is a tool for combining ASUS SmartDoctor and video capture tools together without leaving the action. What I found especially helpful was the high-resolution DVD-quality video capture feature, which comes FREE with the ASUS ENGTX480 kit. Programmable hot keys assign actions, and recorded video (saved in XviD MPEG-4 format) or screen shots can be taken on command. These are features you would have to pay for using other software, such as FRAPS.

ASUS-GamerOSD-Movie-Capture.png

ASUS GamerOSD On-Screen Display Utility

In the next section, we explore NVIDIA APEX PhysX enhancements with the ASUS GeForce GTX 480...



 

Comments 

 
# RE: ASUS ENGTX480/2DI/1536MD5 GeForce GTX 480RealNeil 2010-10-01 04:40
It's good to see that they're getting a handle on the power usage and heat producing issues that many have written about concerning GTX480 cards.
I'll probably go for a pair of GTX460's in SLI configuration myself. So far, two of them cost less than a single 480 does, and their performance together is knocking on it's door. Also, two of the 460's draw far less power than one 480 does. I'll take a chance and assume that they'll also produce less heat because of their low power usage.

Heat and power is important to many of us as you said above, I feel that it's a lot of money to buy one and will also cost a lot to use it over the lifetime of the card. It is a truly impressive video card though. Thanks for another detailed and informative review.
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# RE: ASUS ENGTX480/2DI/1536MD5 GeForce GTX 480Adam 2010-10-01 08:20
Well it's a helluva lot better then the first bunch, still hungry and hot, but far more tolerably so.

Surprised ASUS didnt do anything with the cooler though.
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# 15 pro nVidia articles sins the last ATi cart got testted.Michael 2010-10-01 09:45
I am just wondering do got stock ore get paid by nVidia, as your last 15 articles have all bin very pro nVidia.

And point out all the strong points of nVidia, not that i have anything aginst those strong points, I have my self a 3x SLI GTX480 + dedicated GTX280 for PhysX + 3D Vision, on a 3 screen setup.

But not because the 480 is the best card, but because it scale's mouths better in SLI 3x then CF-X 3x.
And even tho they are really fast, they ware also very irritating loud and hot before i installed water cooling on them.

That said, if i would buy a single card i would for shore go for ATi as they run cooler and uses less power.

Looking at all the articles it looks like they ware put together whit the help of a nVidia PR guy.

And if BMR want to be taken seriously, more balanced reviews would be welcome.
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# Did you notice...?BruceBruce 2010-10-01 10:21
Have you noticed that the only new cards to be released in the last few months have been from NVIDIA? A year ago, ATI released the HD5xxx series and everyone complained that we were working for AMD, because we were praising the design and performance of the new Radeon cards. Well, 6 moths later, NVIDIA releases new cards that are now the best performers; some at price/performance ratios that beat the ATI competion by a country mile (the GTX460). Those are facts - not PR, not marketing spin, not bias, just the facts.

That's the way the computer industry works, when new designs get released, they are generally a LOT better thatn last year's model. Ever hear of Moore's law? When ATI brings out their next generation of video cards, I expect them to be better than what is available today. And when we test them, if that is indeed the case, that's what we will report. And then someone will complain again that we're getting paid off by ATI. As if...!!!!
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# Michael = paid by AMD?Olin Coles 2010-10-01 15:09
Michael, since your IP address resolved to Bergin, Norway, I'll forgive the horrible grammar and spelling in your comment. What I won't forgive is the fact that you've come to this website and insulted me with a claim that I'm paid by NVIDIA to write these reviews without so much as an example.

How can you seriously expect me to review an AMD Radeon product when the last video card they offered was the Radeon HD 5550 almost five months ago? You might also go back and look over all of MY article, and count-up who has received more awards.

If you want your remark taken seriously, perhaps you should be more constructive. Otherwise, you just come off as another fanboy troll with poor spelling.
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# Snerk!ChrisW 2010-10-07 07:55
Forgiving him for his grammar because his IP is in Norway... WTF!

Of course he's a fanboy or a troll, but you don't need to be a Grammar Nazi about it!
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# It's hard to take you seriously...Hank 2010-10-01 12:00
Michael,

It's very hard to take you seriously when your post is filled with simple spelling errors and grammatical mistakes. If you disagree with the results of the tests, then it is up to you to test for yourself. Many of the benchmarks used are free or have free versions. Anyone who can afford a setup with 3 GTX480s in SLI can certainly afford to do their own testing.

Hank
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# RE: It's hard to take you seriously...Servando Silva 2010-10-01 12:32
Additionally, that'd mean every other site publishing GTS450, GTX460, GTX470 etc. reviews is being payed by Nvidia. That's just wrong. So, that means AMD also payed recently with their new CPUs and Intel payed us back when they released their LGA1156 processors.... As if!
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# RE: RE: It's hard to take you seriously...Adam 2010-10-01 12:56
Nvidia is controlling the market by bribing all of the reviewers! It's a conspiracy, people!

Tinfoil hat time.
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# RE: RE: RE: It's hard to take you seriously...dlb 2010-10-01 19:58
Tinfoil hat time? That implies that we haven't been wearing 'em before now.... I haven't taken mine off since the Reagan's "Star Wars" era. And I won't take it off either - not until BMR starts getting paid by AMD/ATI.

LOL
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# What was the voltage difference of the GPUs?RS 2010-10-03 19:53
Hi,

Great review. I wanted to know if you guys measured the GPU voltage (in MSI Afterburner or Asus Voltage Tweak software) to check if the more mature 40nm process resulted in lower GPU voltage at load? If so what was the difference?

Also, since this is only 1 representative sample, how can you be certain that the more mature 40nm manufacturing process is the reason for the reduced demand? Could it be an outlier videocard?
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# RE: What was the voltage difference of the GPUs?Olin Coles 2010-10-03 19:56
Hello RS:

Yes, it could always be one lucky sample or it could be this way for every sample. It's very difficult to verify, but the mere fact that one card could ever reach temperatures or power consumption this low is surprising.

I have not conducted the GPU voltage tests you mention.
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# VoltagesRS 2010-10-03 20:11
Could you please check the voltages of this GTX480 if you still have it? I think that would give us a better indication if a more mature manufacturing process in indeed in play. What about testing a 6 months older GTX470 as well? Wouldn't the more mature process apply to the entire GF100 line?
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# 40nm GF100 GPU VoltageOlin Coles 2010-10-03 20:14
Sure, but it could be a few days since I'm on a deadline for another project. I will measure idle and loaded GPU voltage on this new GTX 480 and the original engineering sample.
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# VoltagesRS 2010-10-03 20:18
Thank you very much Olin! No rush.
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# 40nm GF100 GPU VoltageOlin Coles 2010-10-03 20:42
Added into the article:

NVIDIA GeForce GTX 480 Engineering Sample
MSI Afterburner reported 0.962V GPU at idle, and 1.025V under load.
GPU-Z reported 0.953V 15.0A 14.3W idle VDDC, and 0.980V 75.0A 74.0W at load.

ASUS ENGTX480
MSI Afterburner reported 0.962V GPU at idle, and 1.075V under load.
GPU-Z reported 0.955V 11.0A 10.5W idle VDDC, and 1.033V 70.0A 72.3W at load.
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# ThanksRS 2010-10-04 08:01
Thanks for the voltage update Olin. I would have imagined that the more mature manufacturing process would have allowed the GPU to operate at the same frequency with lower voltages. In this case, not only does the Asus card operate cooler and quieter, but it does so at higher voltages. A great mystery indeed.

Still what you measured is an observable result. I look forward to future GTX480/470 reviews, where you can provide more data points :)
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# Poor review, pull it.Strafage 2010-10-03 19:59
This is a very poor review. You cannot draw these sorts of conclusions and claim Fermi runs cooler now based on comparing just two cards.

No mention of voltages either.

In no way have your test proven that these cards are running cooler now compared to before.

Hope no one makes the mistake of buying one of these cards now if they wouldn't before thinking the heat and noise issues are resolved, because this 'review' proves nothing of the sort.
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# RE: Poor review, pull it.Olin Coles 2010-10-03 20:06
Your comment makes it seem like you didn't bother to ready the article. I have tested three GTX 480's including this one, and they keep getting cooler with each new release. Also, why would mentioning voltages validate our video card power consumption findings?

I will pull the article offline and start taking orders from you when this becomes your website. Until then, your opinion matters as much as the next anonymous post.
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# RE: RE: Poor review, pull it.hurleybird 2010-10-03 20:29
3 data points is still way to small to draw any kind of conclusion.

Voltage is absolutely something you need to give in this article, because voltage is directly related to heat output. When GTX 480 launched there was quite a bit of voltage binning (same thing with HD5870 even), where some cards were binned higher or lower. Specs remained the same, except for voltage, heat, and power consumption. Assuming absolutely no change, it's entirely possible to randomly get three cards successively binned with lower voltage.

Now, that's not saying that TSMC isn't making advances on 40nm, I'm sure they are, and obviously any kind of decrease in defect density will be amplified by larger dies, but when you already had such variability in volts, heat, and power at launch, you need a lot more than three data points to draw a solid conclusion. Someone could have easily gotten the same data from three random cards at launch.
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# RE: RE: RE: Poor review, pull it.Olin Coles 2010-10-03 20:40
So then what is the magic number of video cards that would prove that it's a trend and not an anomoly? How many different manufacturers do you need to have samples from?
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# RE: ASUS ENGTX480/2DI/1536MD5 GeForce GTX 480hurleybird 2010-10-03 21:50
Probably more than would be reasonable to buy ;), although three cards at launch vs. three cards from today would be the minimum I personally be comfortable drawing any sort of conclusion with (assuming they all show the marked difference).

Obviously the more cards you use the stronger the probability is (again assuming those added cards support your original data), however as I said you could have randomly taken three cards at launch and gotten the same results thanks to the large amount of voltage binning.
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# RE: ASUS ENGTX480/2DI/1536MD5 GeForce GTX 480hurleybird 2010-10-03 21:52
Also like I said, I have no doubt that TSMC has been making improvements, and a decrease in defect density would have an increased positive effect on larger dies. It's not really a matter of *if* yields (and by extension voltage binning) at TSMC is improving, it's a matter of *how much*. Another possible result of increased yields could involve changing the GTX 470 / GTX 480 mix, where more chips are able to qualify as a GTX 480, but only at higher voltages. Thus, depending on what Nvidia does with them, increased yields could conceivably lead to more high voltage/heat/temp cards being produced.

About the only way that I could see for easily proving that GTX 480's are getting cooler is if new chips start using lower voltage than the lowest voltage that was available at launch. Otherwise with this type of problem you're dealing with statistics. You don't "prove" anything so much as provide probability. With a high enough probability you can begin to draw conclusions.
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# GF100 always was powerfulCorpse 2010-10-04 00:56
Not denying anything about how good GF100 is (but it is less effecient still). My one retort is this:

"but it doesn't appear that AMD has any surprises for the upcoming holiday season"

Umm, Cayman, Barts etc. These are coming up in the next couple of months and as we dpont have benchies, regardless of performance, they'll be a surprise (bad or good). And if Cayman improves like it's 'rumoured' too, it will eclipse the 480.

Also, there was a 512 core GTX 480 out in the wild ##brightsideofnews.com/news/2010/8/13/512-core-geforce-gtx-480-reviewed-any-surprises.aspx and it wasnt very impressive.

Gf100 good- yes no doubt, comment on no surprises from AMD - quite ignorant.
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# RE: ASUS ENGTX480/2DI/1536MD5 GeForce GTX 480Trajan Long 2010-10-10 18:52
480 is awesome and paves the way for great advances in the future. The next generation will solve whatever heat issues remain with a huge performance boost and Nvidia will rule on all fronts, not just tech.
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