And upgrading our testing rig to a 5960X is now a high priority. Metro: Last Light also didn't even recognize the third GPU, so we're considering dropping that game from our benchmark suite, because this is not the first time it's happened. So this addition to our benchmarks has been educational for us as well. What we didn't see coming were the particularly modest gains in Batman and Shadow of Mordor, indicating that our CPU is hitting a wall (at least, at its stock clock speed). When we add the third Titan-X (I think they're multiplying when we're not looking), we get a smaller performance bump, but this is to be expected. The Titan X is a lot more constistent, but both it and the GTX 980 struggle with Metro: Last Light (which, it should be said, is an AMD-friendly game, as is Hitman: Absolution). What's also interesting is how much the SLI scaling varies from game to game. Granted, at 4K, you probably don't need 4xMSAA, but it is interesting to see just how much this resolution affects performance. Even with a second Titan X in the mix, though, we still can't hit 60fps across the board. At the prices you're paying for these cards, you shouldn't have to make many compromises. We push these cards by design, rather than aiming for playable framerates. We're benchmarking these games on their highest presets with 4x multi-sample anti-aliasing (or in Tomb Raider's case, 2x super-sample anti-aliasing, since it has no MSAA option), so you're not going to see ideal performance here.
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