Gigabyte Dual GPU: nForce4, Intel, and the 3D1 Single Card SLI Tested
by Derek Wilson on January 6, 2005 4:12 PM EST- Posted in
- GPUs
Half-Life 2 Performance
Unfortunately, we were unable to test the Intel platform under Half-Life 2. We aren't quite sure how to explain the issue that we were seeing, but in trying to run the game, the screen would flash between each frame. There were other visual issues as well. Due to these issues, performance was not comparable to our other systems. Short of a hard crash, this was the worst possible kind of problem that we could have seen. It is very likely that this could be an issue that NVIDIA may have fixed between 71.20 and 66.81 on Intel systems, but we are unable to test any other driver at this time.We are also not including the 6800 Ultra scores, as the numbers that we were using as a reference (from our article on NVIDIA's official SLI launch) were run using the older version 6 of Half-Life 2 as well as older (different) versions of our timedemos.
Continuing our trend with Half-Life 2 and graphics card tests, we've benched the game in 5 different levels in two resolutions with and without 4xAA/8xAF enabled. We've listed the raw results in these tables for those who are interested. For easier analysis, we've taken the average performance of each of the 5 level tests and compared the result in our graphs below.
| Half-Life 2 1280x1024 noAA/AF | |||||
| at_c17_12 | at_canals_08 | at_coast_05 | at_coast_12 | at_prison_05 | |
| NVIDIA GeForce 6600 GT | 76.1 | 71.3 | 115 | 94.9 | 80 |
| 2x NVIDIA 6600 GT (AMD SLI) | 77.2 | 98.8 | 118.5 | 117.5 | 116.6 |
| Gigabyte 2x6600GT 3D1 | 77.3 | 99.1 | 118.7 | 117.9 | 118.2 |
| Half-Life 2 1600x1200 noAA/AF | |||||
| at_c17_12 | at_canals_08 | at_coast_05 | at_coast_12 | at_prison_05 | |
| NVIDIA GeForce 6600 GT | 61.1 | 55.7 | 91.5 | 69.3 | 57.6 |
| 2x NVIDIA 6600 GT (AMD SLI) | 73.5 | 85.8 | 110.8 | 104.9 | 92.9 |
| Gigabyte 2x6600GT 3D1 | 73.6 | 87 | 111.4 | 106 | 94.6 |
| Half-Life 2 1280x1024 4xAA/8xAF | |||||
| at_c17_12 | at_canals_08 | at_coast_05 | at_coast_12 | at_prison_05 | |
| NVIDIA GeForce 6600 GT | 40.5 | 40.1 | 74.8 | 54.9 | 45.1 |
| 2x NVIDIA 6600 GT (AMD SLI) | 45.2 | 47.8 | 92.4 | 81 | 61 |
| Gigabyte 2x6600GT 3D1 | 45.7 | 47.8 | 94.1 | 82.8 | 62.3 |
| Half-Life 2 1600x1200 4xAA/8xAF | |||||
| at_c17_12 | at_canals_08 | at_coast_05 | at_coast_12 | at_prison_05 | |
| NVIDIA GeForce 6600 GT | 27.3 | 27.2 | 43.3 | 32.7 | 28.1 |
| 2x NVIDIA 6600 GT (AMD SLI) | 33.8 | 35.3 | 58.1 | 49.2 | 39.8 |
| Gigabyte 2x6600GT 3D1 | 33.8 | 35.3 | 59.3 | 50.8 | 40.6 |
The 3D1 averages about one half to one frame higher in performance than two stock clocked 6600 GT's in SLI mode. This equates to a difference of absolutely nothing with frame rates of near 100fps. Even the overclocked RAM doesn't help the 3D1 here.
We see more of the same when we look at performance with anti-aliasing and anisotropic filtering enabled. The Gigabyte 3D1 performs on par with 2 x 6600GT cards in SLI. With the RAM overclocked, this means that the bottleneck under HL2 is somewhere else when running in SLI mode. We've seen GPU and RAM speed to impact HL2 performance pretty evenly under single GPU conditions.
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beany323 - Tuesday, January 11, 2005 - link
Wow, I have been planning on getting a new computer (from Cyberpower) and was like, ok get the PCIe...then i see the SLI....so i read up on it..now i am confused! I bought a hp 2 years ago, and now i would be lucky if i could use it to play WoW (i tried already, to old a video card, anyways) i am willing to spend some money but dont want to get stuck with a big paperweight. I thought the idea with 2 cards sounded good (i was even thinking might as well get 2 ultra's :) ) but not sure now... anymore thoughts? Just from reading this thread, you guys know WAY more then i could ever sit down and read...so thanks in advance!!beany323
endrebjorsvik - Tuesday, January 11, 2005 - link
Would it be possible to use two 3D1-cards in non-SLi-mode and still use all the GPU's? Then you would be alble to get serious performance in triple-/quad-monitor-systems.sxr7171 - Sunday, January 9, 2005 - link
I thought the whole point of SLI was to offer an upgrade path that allowed consumers to stagger their spending by upgrading their performance in two stages. Buying a single card with two GPUs that costs the same and performs worse than a single 6800 ultra is quite pointless.There are absolutely no situations where a dual 6600GT card outperforms a single 6800 ultra card. There are no synergies in having two GPUs on the same card and no incentive to buy such a card.
PrinceGaz - Saturday, January 8, 2005 - link
Just in cast that sounded abit harsh, all I will say is would you perosnally swap a 6800GT based card for that 3D1 multi-core card?PrinceGaz - Saturday, January 8, 2005 - link
I'm sorry but I still see no sensible reason whatsoever to buy a dual-core 6600GT card when a 6800GT could be bought for a similar price. I can see lots of stupid reasons for buying the dual-core 6600GT, but nothing whatsoever people have said in the comments or in the review give a good reason for choosing it in preference to a 6800GT. I'm afraid I'm going to have to jump on a bit of a bandwagon and wonder if everything reviewed here is always considered good generally, as I can't remember the last time something got a well deserved slating. Which this 3D1 should have been given because of the hardware compatibility issues, and also software compatibility issues with games that aren't SLI recognised, or the fact it will work at half speed (one core) with games nVidia hasn't bothered looking at.When you review stuff you see good and bad, but all we ever read about here are products which are great, or products which will be very good after they fix this and that. The only review recently which had any constructive criticism was that of normal 6600GT's where you looked at the fan-mounting method. Maybe you only get to see the very best products because that is all the manufacturers will send you (which explains why there was no mid-range/budget memory round-up as they don't want to send a 512MB ValueWhatnot stick that will perform worse than everything else).
What I'd have said about the 3D1 after looking at the performance is that they shouldn't have bothered with a 6600GT dual-core, but instead have done an NV41 based dual-core card. You'd be a fool to buy the 3D1 the way it as at the moment.
Review quotes like "Until then, bundling the GA-K8NXP-SLI motherboard and 3D1 is a very good solution for Gigabyte Those who want to upgrade to PCI Express and a multi-GPU solution immediately have a viable option here. They get the motherboard needed to run an SLI system and two GPUs in one package with less hassle." make me wonder if someone paid you to say that.
AtaStrumf - Saturday, January 8, 2005 - link
*loose some performance* - compared to a more powerful but equally priced single chip solutionAtaStrumf - Saturday, January 8, 2005 - link
johnsonx the reason for buying one card with 2 6600 GTs or two separate 6600GTs instead of one 6800 GT may be in the fact that you get very close to 6800 *Ultra* performance, provided you don't use AA or Aniso in newer games. Granted OC-ing 6800GT will do the same + give you AA/Aniso performance od the same level.I guess the reason to go for SLi is in its ability to provide a cheap upgrade path and not for two GPUs to be put on the same board and save you 0$ + loose some performance. Gigybyte may have missed an important point here. What they should be making is one board 2 x 6800 GTs, since that provides unheard of performance in a single card (something NEW) and/or at least lower the price of 3D1 to make it cheaper than 2 separate cards and of course make it work in non SLi boards. Simply put, give it some tangible extra value over 2 board SLi solution and not the other way around as it is now - only two monitors and such.
MadAd - Saturday, January 8, 2005 - link
Nvidia are looking more and more like 3dfx every day - big boards, sli, late with real releasesId prefer an AIW X900SLI board tho
glennpratt - Saturday, January 8, 2005 - link
johnsonx - I agree, though I have a theory. If your like me and the 10 other computers in your house/immediate family consist of hand me down parts from a couple primary computers, it would be nice to have two decent video cards when you upgrade next. Still stupid...johnsonx - Friday, January 7, 2005 - link
What I find puzzling about this whole SLI thing right now (not this dual-GPU card in particular) is all the people buying an ultra-expensive SLI board and dual 6600GT's to build a new system. I understand buying an SLI board and one 6600GT or 6800GT to allow for future upgrade, and I even understand buying SLI and dual 6800GT's for maximum performance (though it sure seems like overkill and overspending to me).But buying dual 6600GT's on purpose just doesn't make any sense at all. I guess they just want to say they have it? Even though it costs far more and performs the same as a non-SLI board with a 6800GT....
This particular dual-GPU card doesn't make any sense right now either, for all the obvious reasons.
Maybe later....