Team Fortress 2
We'll kick off our gaming tests with some Team Fortress 2, Valve's class-driven multiplayer shooter based on the Source game engine. In order to produce easily repeatable results, we've tested TF2 by recording a demo during gameplay and playing it back using the game's timedemo function. In this demo, I'm playing as the Heavy Weapons Guy, with a medic in tow, dealing some serious pain to the blue team.
We tested at 1024x768 resolution with the game's detail levels set to their highest settings. HDR lighting and motion blur were enabled. Antialiasing was disabled, and texture filtering was set to trilinear filtering only. We used this relatively low display resolution with low levels of filtering and AA in order to prevent the graphics card from becoming a primary performance bottleneck, so we could show you the performance differences between the CPUs.
Notice the little green plot with four lines above the benchmark results. That's a snapshot of the CPU utilization indicator in Windows Task Manager, which helps illustrate how much the application takes advantage of up to four CPU cores, when they're available. I've included these Task Manager graphics whenever possible throughout our results. In this case, Team Fortress 2 looks like it probably only takes full advantage of a single CPU core, although Nvidia's graphics drivers use multithreading to offload some vertex processing chores.
Since TF2 doesn't make use of any more than two CPU cores, the Phenoms have no advantage over dual-core chips. Clock for clock, Intel's Core 2 chips are faster here; at 2.4GHz, the Core 2 Quad Q6600 outperforms the Phenom X4 9750. And the Core 2 Duo E8400 and E8500 are both well ahead of the Phenom X4 9850.
Lost Planet: Extreme Condition
Lost Planet puts the latest hardware to good use via DirectX 10 and multiple threadsas many as eight, in fact. Lost Planet's developers have built a benchmarking tool into the game, and it tests two different levels: a snow-covered outdoor area with small numbers of large villains to fight, and another level set inside of a cave with large numbers of small, flying creatures filling the air. We'll look at performance in each.
We tested this game at 1152x864 resolution, largely with its default quality settings. The exceptions: texture filtering was set to trilinear, edge antialiasing was disabled, and "Concurrent operations" was set to match the number of CPU cores available.
I'm not sure what's happening in the Snow level, but oddly, a couple of the lower-clocked Phenoms do unusually well there. The primary bottleneck in that test is probably the GPU, since scores are bunched tightly together for the various CPUs. Things change rather dramatically in the Cave level, where we get a rare taste of a game that uses more than two CPU cores to good effect. Here, the new Phenoms shine, outperforming the Core 2 Quad Q6600 and nearly matching the Core 2 Extreme QX6800.
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