This section lies further into the game. There's a little exploration and a fair bit of combat, which involves ducking behind a crate of medical supplies and taking pot shots at well-armed bad guys.
Let's start with the "Ultra" preset at 1080p, just as we did earlier.
The GeForces surge ahead in our 99th-percentile metric, thanks to more consistent overall frame times with fewer spikes. For some reason, however, the GTX 650 Ti Boost and GTX 660 both exhibit a single, unusually long spike very early in the run. That spike doesn't register in our 99th-percentile metric, but it is evident in our beyond-50-ms graph, and it clearly interrupts gameplay.
Given that fact, I'd say the Radeon HD 7870 is preferable to the GTX 660 overall here. It spends less time working on unusually high-latency frames, and its 99th-percentile frame time is only slightly higher than the GTX 660's. The GTX 650 Ti Boost would be hands-down superior to the 7850 2GB if it weren't for that strange hitch at the start of the run. As it is, neither of those two cards is ideal, strictly speaking.
As for the 7790 and GTX 650 Ti 1GB, they're again a little overwhelmed at this resolution and detail preset. We can try lowering the detail to see if they fare any better here, too.
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