The problem is also confirmed by this Batman forum post (for those who likely missed it). So at least on NVIDIA, there’s a serious problem with DX11 right now, but what about AMD hardware? Additional testing confirmed that the extreme choppiness with DX11 features enabled extends to AMD hardware as well on an HD 6950 DX11 mode got 22FPS average (and 0FPS minimum) while disabling DX11 bumped it up to 70FPS. Turn off PhysX and minimum frame rates are above 50FPS with averages above 85FPS. the pellets from the ice gun in the built-in benchmark). Without DX11 features enabled, my setup is able to max out all the remaining settings (including PhysX) and still pull >60FPS in most areas, with dips to around 30FPS in scenes with a ton of PhysX eye candy (e.g. Then I tried turning off DX11 Tessellation (nope, it didn’t help), Ambient Occlusion (again, nope), and eventually I disabled the DX11 features entirely. I tried disabling PhysX, which helped a bit, but the choppy performance remained. Then I dropped to 1920x1200, still with very little difference in performance: single digit minimums remained in the built-in benchmark, with averages around 35 FPS. Ouch! I decided to dial it down a notch, since 1.5GB of video memory might not be enough for 4xAA and 2560x1600, right? Off went AA, with almost no difference in performance. FRAPS was showing 60+ FPS in some areas, but with frequent dips into the single digits, and averages of around 30FPS. Upon launching the game and playing through the intro, it became readily apparent that the settings were too much. So, with that in mind I decided to go for the glory and set everything to maximum quality. Batman: Arkham Asylum was a great game, but it wasn’t particularly taxing on PC hardware, easily pulling 60+ FPS even on moderate systems. The Elder Scrolls: Skyrim for instance launched a couple weeks back, and after poking around at the settings for a bit I settled for 2560x1600 and the “Ultra” defaults, and I still get >30FPS throughout the game, and typically >60FPS. Gaming in general isn’t a problem on this system, even at the native 2560x1600 resolution. Now, a bit of background information on my PC: I have a GTX 580, 12GB RAM, an overclocked i7-965X processor, and plenty of storage, all hooked up to a 30” LCD. 16GB+ later, I fired up the game and decided to see what it could do-as a benchmark, of course. The game released on Steam yesterday, and like many we were in line for the download. Originally launched last month for the PS3 and Xbox 360 consoles, PC gamers have waited for what they hoped would be the superior version, complete with DX11 support. If you’re one of the gamers who waited anxiously for the PC release of Batman: Arkham City yesterday, and you have a reasonably high-end PC, there’s a good chance the initial experience caused some serious concerns.
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