The Unreal Tournament 3 PhysX Mod Pack: Finally, a Major Title

Unreal Tournament 3. Metacritic gives it an 83 for “Generally favorable reviews” and NVIDIA released a PhysX mod pack for it last year. Now we’re getting somewhere.

The mod pack consists of three levels that use GPU accelerated PhysX. The rest of the game is left unchanged. You can run these levels without GPU acceleration, but they’re much slower.

The three levels are HeatRay, Lighthouse and Tornado. Guess what the PhysX does in Tornado?

Ben and I played HeatRay together (aw, cute). First the PhysX enabled level with GPU acceleration turned off, then with it turned on and then the standard level that doesn’t use any GPU accelerated PhysX at all.

Turning the PhysX acceleration on made a huge difference, we both agreed. The game was much faster, much more playable. The most noticeable PhysX effect was hail falling from the sky, and lots of it. You could blow up signs in the level but the hail was by far the most noticeable part. Note that I said noticeable, not desirable.


See all of the white pellets? Yeah, that's what PhysX got us in UT3.

Playing the normal version of the HeatRay map was far more fun for both of us. The hail was distracting. Each of the hundreds of pellets hit the ground and bounced off in a physically accurate manner, but in doing so it sounded like I was running through a tunnel full of bead curtains suspended from the ceiling. Not to mention the visual distraction of tons of pellets hitting the ground all of the time. Ben and I both liked the level without the hail. The point of the hail? Not to make the level cooler, but rather to truly stress the PPU/GPU - particles are one of the most difficult things to do on the CPU thanks but work very well on the GPU. This wasn’t a fun level, this was a benchmark.

Tornado was the turning point for us. As the name implies, there’s a giant tornado flying through this capture the flag level. The tornado is physically accurate, if you shoot rockets at it, they fly around and get sucked into the funnel or redirected depending on their angle of incidence. It’s neat.

The tornado sucks up everything around it but if you’re looking to relive Wizard of Oz fantasies I’ve got bad news: you are immune from its sucking power. You just stay on the ground and lose health. Great.

Ben’s take on the tornado level? “It was neat”. I agreed. Not compelling enough for me to tattoo PhysX on my roided up mousing-arm, but the most impressive thing we’d seen thus far.

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  • Psyside - Thursday, April 2, 2009 - link

    Can anyone tell me about the testing metod average or maximum fps? thanks.
  • Jamahl - Thursday, April 2, 2009 - link

    some sites have the gtx275 clearly winning at all games, all resolutions.
  • helldrell666 - Thursday, April 2, 2009 - link

    You can't trust every site you check.especially since most of those sites don't post their funders names on their main page.You must've heard of Hardocp's Kyle who was fired by nvidia because he mentioned that the gtx250 is a renamed 9800gtx.
  • 7Enigma - Thursday, April 2, 2009 - link

    I think this is due to Nvidia shooting themselves in the leg with the 185 drivers. With the performance penalty at the normal resolutions, anyone testing with the 185's is going to get lower results than someone testing with the previous drivers. And I'm sure you could find 10 games that all perform better on ATI/NVIDIA. That's the problem with game selection and the only real answer is what types of games you play and what engines you think will be used heavily for the next 2 years.
  • SiliconDoc - Monday, April 6, 2009 - link

    Well the REAL ANSWER is - if you play at 2650, or even if you don't, and have been a red raging babbling lying idiot red rooster for 6 months plus pretending along with Derek that 2650x is the only thing that matters, now you have a driver for NVidia that whips the ati top dog core...
    If you're ready to reverse 6 months of red ranting and raving for 2560X ati wins it all, just keep the prior NV driver, so the red roosters screaming they now win because they suddenly are stuck at the LOWER REZ tier to claim a win, can be blasted to pieces anyway- at that resolution.
    So - NVidia now has a driver choice - the new for the high rez crown they took from the red fanboy ragers, and the prior driver which SPANKS THE RED CARD AGAIN at the lower rez.
    Make sure to collude with all the raging red roosters to keep that as hush hush as possible.
    1. spank the 790 at lower rezz with the older Nvidia driver
    2. spank the 790 at the highest rez with the new driver
    _______________________

    Don't worry if you can't understand just keep hopping around flapping those litttle wings and clucking so that red gobbler jouces around - don't worry soft PhysX can display that flabby flapper !
  • The0ne - Tuesday, April 7, 2009 - link

    Can someone ban this freaking idiot. The last few posts of his have been nothing but moronic, senseless rants. Jesus Christ, buy a gun and shoot yourself already.
  • SiliconDoc - Tuesday, April 7, 2009 - link

    Ahh, you don't like the points, so now you want death. Perhaps you should be banned, mr death wisher.
    If you don't like the DOZENS of valid points I made, TOO BAD - because you have no response - now you sound like krz1000 and his endless list of names, the looney red rooster that screeches the same thing you just did, then posts a link to youtube with a freaky slaughter video.
    If I wasn't here, the endless LIES would go unopposed, now GO BACK and respond to my points LIKE MAN, if you have anything, which no doubt, you do not.
  • helldrell666 - Thursday, April 2, 2009 - link

    According to xbitlabs, the 4890 beats the gtx285 at 1920x1200 resolution with 4x aa in Cod5, Crysis Warhead, Stalker CS, Fallout 3 and loses in Far Cry2.Here, the 4890 matches in Far Cry 2 and cod5 with some slightly lower fps than the gtx285 in Crysis warhead.

    Strange....
  • 7Enigma - Thursday, April 2, 2009 - link

    That is crazy. There is no way variations should be that huge between the 2 tests, regardless of the area they chose to test in the game. Anandtech has it as essentially a wash, while Xbit has the 4890 20% faster!?! (COD:WaW)
  • 7Enigma - Thursday, April 2, 2009 - link

    Just looked closer at the Xbitlabs review. The card they used was an OC variant that had 900MHz core instead of the stock 850MHz. In certain games that are not super graphically intensive I'm willing to bet at 1920X1200 they may still be core starved and not memory starved so a 50MHz increase may explain the discrepancy.

    I've got to admit you need to take the Xbitlabs article with a grain of salt if they are using the OC variant as the base 4890 in all of their charts....that's pretty shady...

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