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 GeForce FX and DirectX 9 Half-Life 2 Performance - tech
(hx) 02:05 AM CEST - Aug,31 2004
DX8.1
GeForce FX 5950 DX9
In this recent article, Firing Squad discovered that not only does GeForce FX hardware default to DirectX 8, FX cards wouldn't run Valve's DirectX 9 path even when DX9 was specified in the console. It turns out that the console command they used "mat_dxlevel 90" doesn't work properly with GeForce FX cards. Instead, Valve recommended to use the switch "-dxlevel 90" at the command line to force GeForce FX cards to run the DirectX 9 path. Armed with this knowledge, they set out to re-run their benchmarks and take new screenshots with GeForce FX running the video stress test in DirectX 9:
Once DirectX 9 is enabled, GeForce FX cards took a significant performance hit in our testing. For GeForce FX 5700 Ultra and 5600 Ultra, we witnessed performance declines of up to 2.5 times running the DirectX 8.1 path in a couple of cases with the video stress test. In comparison, RADEON 9600 XT's worst-case scenario was a performance decline of 23% at 1600x1200 with 4xAA and 8xAF. On the high-end cards, GeForce FX 5950 Ultra performance dropped by a factor of two once the DirectX 9 path was enabled (versus RADEON 9800 XT's 10-27%). Essentially, enabling the DX9 path with GeForce FX cards knocks your frame rate in half with Valve's video stress test, the performance dropoffs are sometimes even worse for GeForce FX in Counter-Strike: Source beta. Just take a look at the trilinear benchmarks on page 7. It isn't pretty for GeForce FX at 1024x768 and 1280x1024 with the DX9 path enabled.

last 10 comments:
doodaddy(04:06 PM CEST - Aug,31 2004 )
This is very pathetic. It's shady as hell for Valve to take millions of dollars from ATI. This should send them to court, or atleast expose them to gamers as the tools they have become. The excuse was to "package the game with ATI cards." Now it's seeming obvious that the money was bribe money. (The game is a year late, too, probably making ATI ask for even more favors. Oh and they blamed the lateness on a hacker. Pathetic.)

And Valve thinks gamers are bone-headed enough to believe that ATI cards are somehow way superior to nVidia cards, even though Doom 3 shows that both cards are very similar but that nVidia did a *little* better. HL2 tests show ATI as much better (cough). It's supposed to be nVidia's fault that the DirectX9 codepath won't start easily? Pathetic! Shame on Valve.

Instead of thinking nVidia cards are worse, I realize that Valve programmers aren't worth John Carmack's pinky toe. (Of course, I really believe they've taken a bribe in the open.)

I hate to be such a hippie, but this alone is reason for me not to bother buying/playing this game, even though I was looking forward to it. Gotta vote with your money, ya know.

P.S. Steam sucks. It's a Microsoft-like tactic from the ex-Microsoftees known as Valve. (You knew Gabe was an MS manager of some sort, right?) I wanted to play a simple game of TFC with my friends and because one of the more bone-headed ones installed Steam, we all had to. The viral effect in action.

xxxx(04:30 PM CEST - Aug,31 2004 )
as a long time Steamer. Steam is great tool for gamers and a great thing from Valve. No more searching for updates, they send it to you whenever. It's the ultimate support tool for their games. Nobody plays HL1 without Steam. As for GL and D3D support, I agree with ya and there should be just the same support for GL. Unfortunately not, the game is D3D only(confirmed). nVidia is a better company than ATI is/will ever be so i'm sure there will be a nice handy driver update coming from nVidia for HL2. But as been said already, nVidia cards running Dx 8.1 mode in HL2, you'd have to have the monitors side by side to tell a difference as there is very little. the game though is not written specifically for ati, no matter what you have heard. the game just supports DX9 period. it was written to use DX9, just ATI right now is honing their card to work properly with DX9 where nVidia is still adjusting their drivers. there are lots of issues with both cards right now and as Steam says, these problems will be fixed in their upcomming drivers from both sides. these reviews and stuff on CS:S and HL2 is all bs. the game is still Beta and anything can happen from here to release. don't diss Steam, after you been using it for a little while, you will see that it was a great idea and the best damn support tool in gaming thus far.

lucas(05:10 PM CEST - Aug,31 2004 )
doodaddy> And Valve thinks gamers are bone-headed enough to believe that ATI cards are somehow way superior to nVidia cards, even though Doom 3 shows that both cards are very similar but that nVidia did a *little* better. HL2 tests show ATI as much better (cough).
you cant really compare the two titles since one is OpenGL and the other is DirectX. wait till the game is released and both companies have released their optimised drivers, THEN start your whining. right now it's uncalled for and makes you look like a fanboy who's pissed of that their card is no longer winning in the benchmarks for the flavour of the month

El_Coyote(08:47 PM CEST - Aug,31 2004 )
http://www.warp2search.net/modules.php?name=News&file=article&sid=19658

so ID's use of ultrashadows would be the same as what valve does.

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