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Assassin's Creed Brotherhood slower AFTER overclocking! - Page 2

post #11 of 24
How consistent are your framerates?

Regardless, it's probably an unstable overclock, and I wouldn't be surprised if your PSU might be the culprit.

Also, I would log your gpu speeds while gaming with and without your overclock--could be it's throttling for some reason.
    
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post #12 of 24
Quote:
Originally Posted by kcuestag View Post
It would also help a lot if you filled your system's specs.

Do you by any chance use Vertical Sync?

This game is really buggy with vsync enabled, I tend to get as low as 30fps with vsync enabled on my HD6970 CrossfireX, but if I disable vsync, frame rate jumps to +100.
^Try disabling Vsync first and let us know
    
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post #13 of 24
Thread Starter 
tried disabling vsync, fps went up to about 40 only ingame. with vsync on but multisampling switched off fps went up to 60.

ok gonna fill in my specs now
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post #14 of 24
Glad to hear that, now turn off Vsync, it seems to help a lot in this game by disabling it.

Or if you can keep 60fps stable with vsync, leave it enabled and enjoy

Glad I could help.
    
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post #15 of 24
Thread Starter 
thanks for your help
btw what's multisampling and why does my imba graphics card struggle to keep up?
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post #16 of 24
No problem

MultiSampling is like Anti-Aliasing to cut the jaggies.

If you don't see any jaggies and you don't mind playing without MultiSampling, I wouldn't worry

Plus this game is not that well optimized, your 6950 2Gb is good enough, but this game is badly coded.
    
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post #17 of 24
Thread Starter 
kewl, ac brotherhood is running fine.
however - gpu throttling, would like to look into this, i suspect my gpu does slow down when my cpu is at 4.4ghz compared to 3.3ghz, why would this happen? tried ac brotherhood at 3.3ghz and it's faster with or without vsync or multisampling.
thanks!
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post #18 of 24
Quote:
Originally Posted by u03ekw View Post
kewl, ac brotherhood is running fine.
however - gpu throttling, would like to look into this, i suspect my gpu does slow down when my cpu is at 4.4ghz compared to 3.3ghz, why would this happen? tried ac brotherhood at 3.3ghz and it's faster with or without vsync or multisampling.
thanks!
Unstable overclocks tend to slow down the system. Try milder overclocks, like turbo 3.7ghz or such, and see if performance improves.
Also, any chance you have youtube open while you're playing? If hardware acceleration is enabled, your GPU's core and memory clocks might be limited.
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post #19 of 24
Thread Starter 
i think i have found the culprit - i had actually changed some settings in the catalyst control center --> Gaming --> 3D application settings. with this maxed out everything becomes very slow... switched it back to default and i get 60fps consistently in ac brotherhood with max vsync and multisampling on 3.3GHz or 4.4GHz (no difference).

what are these settings for anyway? they just slow things down!
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post #20 of 24
Quote:
Originally Posted by u03ekw View Post
i think i have found the culprit - i had actually changed some settings in the catalyst control center --> Gaming --> 3D application settings. with this maxed out everything becomes very slow... switched it back to default and i get 60fps consistently in ac brotherhood with max vsync and multisampling on 3.3GHz or 4.4GHz (no difference).

what are these settings for anyway? they just slow things down!
I always wondered myself why have setting that you cant change... i change those same settings and i get 20 fps in sc2 setting everything to application controlled and such makes everything run max 60 with burst to 80 so idk man ATI is lame haha but honestly i think ima go back to nvidia when kepler arrives
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