The framerate jumps all over place with Auto because you have the VBeam Speed hack enabled. That option messes with proper framerates a lot (especially when Limit by FPS is unchecked).
Just a reminder, we don't support 3.5 anymore. If you're getting issues XBC on the (or anything older than 4.0) it's on you to deal with them. You can try the latest development builds (not the latest stable builds, two different things) since those are faster than 4.0.2, but there's no getting around slow hardware.
Just a reminder, we don't support 3.5 anymore. If you're getting issues XBC on the (or anything older than 4.0) it's on you to deal with them. You can try the latest development builds (not the latest stable builds, two different things) since those are faster than 4.0.2, but there's no getting around slow hardware.