Let’s go for a Drive

Our second demo comes from the d2_coast_05 level, which starts off with the Half Life 2 buggy.  After hopping in the buggy we take a spirited drive down the high way, (poorly) avoiding enemies as well as abandoned cars.  There is some exchange of fire towards the end of the demo, and overall the demo is fairly short. 

This demo offers a good idea of general outdoor performance in Half Life 2 where elements such as water are not involved.  There are a handful of explosions that take place while the buggy’s machine gun ignites a flammable barrel that also stress the GPU a bit.  With the absence of water, the flashlight or any reflective surfaces, we find ourselves with a demo that is far less shader bound than our first benchmark, but just as important since not all areas of Half Life 2 are going to be incredibly shader bound.

The fact that there’s basically no performance difference between the top four cards in this test indicates that even at 1280 x 1024, the fastest GPUs from ATI and NVIDIA still find themselves CPU bound in some Half Life 2 scenarios. 

Half Life 2 AT_coast_05 Demo

The relatively flat resolution scaling curves of some of the GPUs indicates that we are still fairly CPU bound here, which, interestingly enough, happens quite often in Half Life 2. 

Battle in the Canal How about a walk on the beach?
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  • alexlck - Wednesday, November 17, 2004 - link

    In map AT_coast_05.dem, GF6800U have no performance penalty with 4xAA@1024x768?
  • HardwareD00d - Wednesday, November 17, 2004 - link

    hey, #27, I was gonna say that ;)
  • jediknight - Wednesday, November 17, 2004 - link

    Well, it's obvious from the benchmarks. They don't lie.

    ATI RULZ NVIDIA SUXORZ!!

    (lol@#3)
  • bob661 - Wednesday, November 17, 2004 - link

    Do you need HL2 to play CS: Source? Thanks.
  • wien - Wednesday, November 17, 2004 - link

    #24 There is.. It's called Counter-Strike: Source
  • bob661 - Wednesday, November 17, 2004 - link

    Anyone know if there's multiplayer support in HL2? Thanks.
  • L1FE - Wednesday, November 17, 2004 - link

    Nice and thorough comparison. That 6600GT looks more and more enticing...
  • Rekonn - Wednesday, November 17, 2004 - link

    Great article, looking forward to reading the next one with slower cpus. Being cpu limited with an A64 4000+ is a little scary, I wonder what kind of fps an XP3200+ gets when paired with an AGP 6600GT. (still running an overclocked Barton 2500+)
  • Jalf - Wednesday, November 17, 2004 - link

    I'm surprised at how well NV stacks up... And good to see the 6800 GT beat the X800 Pro. Not because I'm an NV fan, but simply because it makes it easier to choose. When the 6800 GT wins over the equivalent ATI card, even in an ATI-optimized game, then it's kinda easy to choose what to buy... :D
    It's a lot harder with the other cards, where both companies scores some wins in different games.
  • Regs - Wednesday, November 17, 2004 - link

    Yeah, I'm hoping a CPU round up will come after part two! I can afford a 400 dollar video card but not paired with a 700 dollar AMD CPU.

    I did notice a lot of stuttering in my gaming experience with a A64 3000 + 6800 GT/1024 MB pC3200. I was playing at 1280x1024 with 4x/8x max details. So likely I would have to cut out the 8x Aniso to have smooth gameplay. I don't know if that was what Anand was mentioning about with the "Shimmering" of textures with the Manhatten calculations.

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