I'm not sure if I'm missing something, but every single game I've ever tried to run (whether using DirectX 10 or not) is 15 fps or more slower on Vista than XP. It has been this way from the beginning (installed Vista at the end of January 2007), through several graphics card and chipset driver revisions. It continues to be a problem today, with SP1 installed.
Assassin's Creed, for example, supposedly runs faster in DX10 than DX9 according to reviewers. However, on my machine it's just like all the other games.....>=15 fps slower than XP.
I'm not running any significant background processes, and I'm spyware free.
I have read many many threads across several different forums of people with similar PC specs as me that report performance in Vista is just as good as XP, and if it's a tad slower, it isn't signficant. About the only thing I haven't tried at this point is a mobo BIOS update. Would that even make a difference?
I had Vista and XP on two hard drives, but recently the drive with XP on it has decided to start going bad. It was even about 6 months newer than the one I'm using with Vista. Anyway, I would really like to figure out a way to get my games to run better in Vista, because that's really the main reason I had XP on another HDD. I'm trying to save money for a trip next month right now, so I'd rather not go out and buy a HDD to replace the bad one for a while. Likewise, I don't want to uninstall Vista if I can help it, because it would just be a hassle backing everything up onto DVDs etc. etc. Plus, I like Vista for certain things.
In XP, I was playing Assassin's Creed at almost full settings @ 1200x800 (had shadows turned down a notch, and mulisampling was level 2 out of 3. I was getting a solid 55+ fps all the time. Those same settings in Vista yields performance on average about 15-17 fps lower. I have to turn a bunch of the graphics settings down just to get it to run at the same performance level it achieves in XP.
Assassin's Creed, for example, supposedly runs faster in DX10 than DX9 according to reviewers. However, on my machine it's just like all the other games.....>=15 fps slower than XP.
I'm not running any significant background processes, and I'm spyware free.
I have read many many threads across several different forums of people with similar PC specs as me that report performance in Vista is just as good as XP, and if it's a tad slower, it isn't signficant. About the only thing I haven't tried at this point is a mobo BIOS update. Would that even make a difference?
I had Vista and XP on two hard drives, but recently the drive with XP on it has decided to start going bad. It was even about 6 months newer than the one I'm using with Vista. Anyway, I would really like to figure out a way to get my games to run better in Vista, because that's really the main reason I had XP on another HDD. I'm trying to save money for a trip next month right now, so I'd rather not go out and buy a HDD to replace the bad one for a while. Likewise, I don't want to uninstall Vista if I can help it, because it would just be a hassle backing everything up onto DVDs etc. etc. Plus, I like Vista for certain things.
In XP, I was playing Assassin's Creed at almost full settings @ 1200x800 (had shadows turned down a notch, and mulisampling was level 2 out of 3. I was getting a solid 55+ fps all the time. Those same settings in Vista yields performance on average about 15-17 fps lower. I have to turn a bunch of the graphics settings down just to get it to run at the same performance level it achieves in XP.
