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#21 |
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Vet Tech
![]() ![]() ![]() Join Date: Mar 2003
Location: Wisconsin
Posts: 417
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I would wait if I were you your card is good enough for now unless you just have - HAVE to have more FPS in Half Life 2, Doom 3, Far Cry, etc... Personally I have the same card and I am going to wait until PCI Express is standard then upgrade my entire computer. I usually do this every 3 years no matter what so next summer is upgrade time! ( 2005 ) And yes, I build the system myself and yes I am saving up my cash even this far ahead of time!
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#22 | |||
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Registered User
![]() ![]() ![]() ![]() ![]() Join Date: Jun 2003
Location: UK
Posts: 1,710
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Quote:
![]() This is false. X800 filters Brilinear. ![]() Quote:
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ATi can't do PS 3.0 or VS 3.0. It can't use FP32 for it's Pixel shaders. It can't use trilinear filtering for AF. What else has ATi completely sacrificed in order to deliver a faster card? ![]() |
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#23 | ||||
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Registered User
![]() ![]() ![]() ![]() ![]() Join Date: Apr 2001
Location: USA
Posts: 1,120
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#24 |
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Banned
![]() ![]() Join Date: May 2004
Posts: 151
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Check it out, if you want Super Power with ease in most games get a Nvidia 6800. ATI yes in some aspects can out do that card but Nvidia seems to be the dominent one with commercializing software. Try FFXI for instance. But seriously oh jap one **from the pics i just assumed..** anyway you shouldnt really need a new card because a 5900 isnt that far lacking off those two. Besides unless you got all kinds of cash to blow I would wait until either a. something better comes out or b. till the prices come down.
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#25 | |
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Has an extra GOTO 10 Line
![]() ![]() ![]() Join Date: Dec 2001
Posts: 250
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Quote:
More to the point is the fact that Ati lied about it. They specifically told reviewers "we don't use brilinear, so it's only fair to test it with nVidia's off." I don't care if Ati's brilinear is different from nVidia's, they said they don't use it to make the benchmarks work in their favor. Why are people willing to let that slide when they burned nVidia at the stake a year ago? It's hypocritical. |
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#26 |
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邪魔ゎ指せない
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Join Date: Jan 2002
Location: Gosport, England
Posts: 26,303
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>Again, where does it say ATI's quality is lower than that of nVidias??? The article even states that The Only way they were even able to tell ANY difference was by several labor intense tests. Gamers will not see ANY visable difference. To me that makes ATI's method 100% better. While true that nVidia's brilinear was initialy poor when they first implemeted it, it has come on leaps and bounds since then, so saying nVidia's is 100% worse is a fallacy. >These are visual tests not speed tests that it was recomended for. And Besides, as far as ATI is concerned This IS full Trilinear as it IS used if needed. If there is no visual difference then what does it matter what the method used is? Full Trilinear should mean full trilinear, not 'trilinear when I feel like it'. Saying it's just as good to the casual glance does not make it full trilinear. Saying it 'does it when it needs it' does not make it full trilinear. The fact of the matter is that ATi have been harkening on about Full Trilinear and telling people to use a slower path on the nVidia cards when thier own are doing the same sort of optimisations. >PS3.0 - nothing using it yet, VS 3.0- nothing using it yet, FP32-nothing using it yet, Trilinear for AF, Not true, it uses trilinear for the first stage and bilinear for the others and then only when you FORCE AF on, if it is application specific it will use what ever the application requests...."What else has ATi completely sacrificed in order to deliver a faster card?" the same could be said of nVidia if one really wanted to start digging..... Remember the Voodoo 5? HW T&L? No one's using it yet, we don't need to bother. What happened? Developers lapped it up and 3dfx was left standing (of course that's not the full story, but it's a part of it). Why pay big bucks for a card that is not full featured? Normally when you buy a big ass card you are buying it for use for a good couple of years. Take my brother for example, whenever he buys a new card, it's allways the dogs bollox top end veature packed bastard. He got an OCZ geForce 3 when they came out. Since then he hasn't bought a new card... until the 6800U he's getting soon. If he bought an x800, he'd be shafted when they do appear with PS3.0 games.
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#27 | |||
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Registered User
![]() ![]() ![]() ![]() ![]() Join Date: Apr 2001
Location: USA
Posts: 1,120
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#28 | |||||
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Registered User
![]() ![]() ![]() ![]() ![]() Join Date: Jun 2003
Location: UK
Posts: 1,710
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Rest assured ATi will mysteriously add a 'turn off optimisations' now that this has been discovered. Trilinear offers better filtering than bilinear. nVidia does not use bilinear anymore for AF if you turn it off in the drivers. The IQ of ATi can only really be considered worse. How could it be considered better? Since it's faster and is only degraded by a very small amount that most people won't notice? Still a degradation in my eyes - and one that no one knew about until recently. Interestingly ATi claimed to do only full trilinear, and was better than 'the competition' for having it as default. Looks like the truth is almost the opposite, with NV40 having the option of disabling optimisations, and the X800 not having it and using optimisations by default. Quote:
Last edited by Clements; June 5th, 2004 at 04:36.. |
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#29 | ||
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Registered User
![]() ![]() ![]() ![]() ![]() Join Date: Apr 2001
Location: USA
Posts: 1,120
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Quote:
As to it not using it when needed. It's an AI built into the driver.. it isn't perfect and is still being worked on....so naturally there can be a few times when it misses a little. You know, i bet nVidias screwes up on occasion too...hmmm...I bet thats why both ATI and nVidia continually develop their drivers.... Quote:
Burned nVidia at the stake?? For purposely altering drivers so that ONE benchmark would get higher results than it actually got??? Even if you really believe ATI lied, there is far and away a HUGE difference between using an optimization in all things, versus coding one specifically for a review.... |
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#30 | |
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Registered User
![]() ![]() ![]() ![]() ![]() Join Date: Apr 2001
Location: USA
Posts: 1,120
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Quote:
and in ATI's case it shows full in Some testing apps. in others it is the normal adaptive there was no visual difference so it went un-noticed. And sure it can do Full trilinear in all games, but it is a waste. Why waste the bandwidth when NO one will get a benifiet from it being used up? if there was a Visual difference , and I mean one that doesn't need hours of tests to minutely see, then yea, but there isn't.... |
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#31 |
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Registered User
![]() ![]() ![]() ![]() ![]() Join Date: Jun 2003
Location: UK
Posts: 1,710
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Yeah I did get confused (sorry, THG just refers to it as just trilinear in places which is not completely accurate!), I meant trilinear AF where I said just trilinear. In nvidia's setup, disabling the optimisations, it provides full trilinear AF all the time (or it will do with the non-beta drivers). ATi use the adaptive filtering technique which is not full trilinear AF like nvidia's driver option, but they originally stated that it was full trilinear AF and used the coloured map progs to prove it, despite the fact it uses the algorithm in games. This is what I really should have said.
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#32 |
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Vet Tech
![]() ![]() ![]() Join Date: Mar 2003
Location: Wisconsin
Posts: 417
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Wait 6 months for the 'super ultra versions of the cards then purchase! As for all this driver stuff of course companies try to make theirselves look the best - even if it means telling some white lies ;0
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#33 |
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&-)---|--<
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Join Date: Apr 2001
Location: Smallville
Posts: 8,060
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Keep your Ati vs Nvidia post in this thread.. http://www.ngemu.com/forums/showthre...454#post730454 And in certain situations, Ati's and Nvidia's filtering optimizations CAN be seen. Especially during movement that still screenshots do not show. I think both are great cards. It really boils down to what features and options you want. Personally, I'm leaning more towards the 6800 because it's got the featuers I like: Super Sampling AA, Digital Vibrance, 4kx4k texture sizes(petes ogl2 very high X and Y internal res).
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Play emulated games online Main Rig||Intel i7 2600k @4.4 ghz|2x4 gb DDR3 1600|Asrock Extreme7 Gen3|EVGA GTX670 2GB|EVGA GTX460 PhysX|2x Seagate 160gb SATA150 Raid0|250 gb Samsung SATA2 HD| OCZ 240GB SSD SATA3 |NEC 3520 4x/8x DVD+R/RW DL burner|Rosewill 1000 Watt|40" Sony Bravia 1080p|Logitec 5.1 Speaker System w/10" Sub|Windows 7 64bit Ultimate|| SimplyBuyIt - Health&Nutrition Last edited by fivefeet8; June 5th, 2004 at 06:44.. |
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#34 | |
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-
![]() ![]() ![]() ![]() ![]() Join Date: Jul 2003
Location: -
Posts: 1,934
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jaydawg, Take back that racist, insensitive comment. Anyway, back on topic. All I have to say to NVIDIA and ATI is… I don’t like being lied to. And I’m sure most of you don’t either. Maybe you should all wait for ATI's X800 XT Platinum graphics or Nvidia's GeForce 6900 Ultra, Before you make any final decisions. And if anyone here has crazy money to burn. Just get an Alienware ALX system. (According to the manufacturer's website, the systems will be available on July 19. Expect to pay between $4200 and $6000 for ALX systems (without monitor). But you are guaranteed the fastest gaming system on the planet. (Thanks to the Duel CPUs and Video-cards, ect.) Last edited by Katsuya; June 5th, 2004 at 13:16.. |
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#35 | |
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Has an extra GOTO 10 Line
![]() ![]() ![]() Join Date: Dec 2001
Posts: 250
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Quote:
Anything not full trilinear is referred to as "brilinear", and you just admitted yourself that Ati does not do full trilinear, even when they say they use it. |
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#36 |
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Nobody Knows Him
![]() ![]() ![]() ![]() Join Date: May 2004
Location: Sarpsborg, Norway
Posts: 526
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I would go for the ATI x800. i think that is the most powerfull card right now
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#37 |
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Registered User
![]() ![]() Join Date: Aug 2003
Location: Tenesee
Posts: 225
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I was thinking about getting the 6800u, but I was wodering if a 2.4ghz p4 would limit it's performance. If it would limit performance, would a 6800 GT be better?
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#38 |
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Harmonixer
![]() ![]() ![]() ![]() Join Date: Mar 2002
Location: Czech Republic
Posts: 785
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My brand new unlocked X800Pro to XT
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#39 | ||||
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MMORPG Junkie
![]() ![]() ![]() ![]() ![]() Join Date: May 2004
Location: No Where!
Posts: 1,146
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There are differences where the Level of Detail has been toyed with. You may end up with a sharper image on the ATI Card, But trilinear filtering isnt about the sharpness of the image. its about interpolating the transistion between mip map boundaries. The Reason the mip map boundaries are harder to see is because mip maps are inherently pushed back when Anistropic Filtering is enabled. Quote:
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Gamers do see visual diferences. I suggest you look at these videos comparing Trilinear Verses Atis Trilinear optimisations. Texture shimmering is very obvious upon the mip map boundaries. http://grestorn.webinit.de/FarCryx800ProHiRes_Divx.avi X800 Pro with Trilinear optimisations. http://grestorn.webinit.de/FarCry9700ProHiRes_Divx.avi 9700 Pro without Trilinear optimisations. Very obvious differences. More results. http://www.gaeugf.ch/ted/mp2_AF_op_off.avi (trilinear Optimisations) http://www.gaeugf.ch/ted/mp2_AF_op_on.avi (trilinear optimisations disabled) I hope this information better helps people understand what trilinear/bilinear anistropic filtering does. There are differences. There are also differences between the Nvidia and ATI do there bit components for Anistropic Filtering. ATi does its isotropic filtering in 5 bit components while Nvidia does it in 8 bit. 8 Bit Istropic Filtering is strongly reccomended by SGI for OpenGL compliance. Quote:
With Trilinear Optimisations enabled. The Level of "brilinear" decreases as you fall back on further texture stages. If you disable trilinear filtering. Texture Stages 1-7 still only recieve 2x Anistropic Filtering. However they recieve full trilinear filtering through each texture stage. |
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#40 | |
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&-)---|--<
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Join Date: Apr 2001
Location: Smallville
Posts: 8,060
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Quote:
I'm also not seeing the texture stage AF optimizations anymore. When using 8xAF through cp or per app, all the stages seem to be getting 8xAF. Maybe the AF tester isn't catching the optimization? It does catch the texture stage filtering optimizations though. Here are a few shots with d3dAFtester. 1st shot: 8xAF per app-tri opts off, texture stage 0 2nd shot: 8xAF per app-tri opts off, texture stage 1 3rd shot: 8xAF per CP-tri opts off, texture stage 0 4th shot: 8xAF per CP-tri opts off, texture stage 1 5th shot: 8xAF per CP-tri opts on, texture stage 0, all other stages looks exactly the same as the 4th shot.
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