Quake 4 and F.E.A.R.
For our last set of game tests, we moved on to some in-game benchmarking with Quake 4 and F.E.A.R. When testing processors and motherboards with Q4 or F.E.A.R, we drop the resolution and reduce all of the in-game graphical options to their minimum values to isolate CPU and memory performance as much as possible. However, the in-game effects, which control the level of detail for the games' physics engines and particle systems, are left at their maximum values, since these actually do place some load on the CPU rather than GPU.
Both Quake 4 and F.E.A.R. reported similar performance gains for the Core 2 Duo E6750. In both games, the E6750 finished roughly 5% ahead of the E6700. Once again, the difference wasn't enough to catch the higher clocked Core 2 Extreme X6800 but it did give the E6750 an marked edge over the Athlon 64 6000+ that the E6700 didn't enjoy.