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4GHZ Thuban Bottleneck?

post #1 of 146
Thread Starter 
Post Update 18-06-11

Changed the hardware and bam...





I am a happy camper.

4.8ghz at 1.43v and full GPU usage.



Original Post

I have two 5870's in crossfire but playing any CPU intensive game gives me sub 50% GPU Usage. I have seen them as low as 19% on each card during some games of MWLL.

Does this look like a bottleneck to you?

I see Core 6 (CPU-5) taking a pounding constantly.

1980x1080 no AA - gets about 30-50 FPS



1980x1080 16xAA - no real change in FPS



6048x1080 no AA - around 20FPS with frequent lock ups under zooming



Any other ideas where I am getting the drop in GPU usage, I have seen pics of guys running the same map as me and getting 99% usage out of a 5970, V-sync is off in all cases.
Edited by loki_reborn - 6/18/11 at 1:25pm
    
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post #2 of 146
I run a 5870 and a 5850 and never really see any bottlenecks at 1080P.

Your CPU's not anywhere 100% usage so its unlikely a CPU bottleneck.

Have you tried other games? Tried Heaven benchmark?
post #3 of 146
Thread Starter 
Any synthetic benchmark or GPU dependant game gets me 99% usage.

Any CPU intensive game like SC2, Crysis, MWLL etc etc gets the above result. Getting fed up with half a grand of GPU being lazy.
    
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post #4 of 146
But the thing is that Crysis isnt really that CPU dependant..
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post #5 of 146
Can you run AOD? and if so try disabling two of your cores that run the worst and see if running as a quad changes anything If not im baffled. i can play those games great with my 1090t and i keep it at 3.8ghz most of the time.
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post #6 of 146
Quote:
Originally Posted by Willhemmens View Post
I run a 5870 and a 5850 and never really see any bottlenecks at 1080P.

Your CPU's not anywhere 100% usage so its unlikely a CPU bottleneck.

Have you tried other games? Tried Heaven benchmark?
Yeah that matters, because every game uses 6+ cores.

He made the same post in the Intel forum, careful of where this will go.

    
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post #7 of 146
what drivers are using? asuming youre running the lastest driver...did u install the crossfire profiles? it should called the 11.3 profile cap 5.
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post #8 of 146
Thread Starter 
Yup, drivers and cap are up to date on a fresh install of windows. CPU overclock is stable.
    
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post #9 of 146
Quote:
Originally Posted by Devilmaypoop View Post
But the thing is that Crysis isnt really that CPU dependant..
Crysis only uses 2 cores.
5870's in CF WILL be bottlenecked in that game with a Thuban.

I am encountering the same results. Crysis Warhead was utilizing my GTX 590 at like 30-40% usage for each GPU and games that use 4 or more cores still bottleneck my card.
So yes OP, it IS the cpu.

I've been an AMD fan if it comes down to CPU's but this old Phenom II architecture is just terrible.
I really hope bulldozer is gonna spice things up or else I'll switch over to sandy bridge soon enough.
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post #10 of 146
Thread Starter 
Quote:
Originally Posted by toX0rz View Post
Crysis only uses 2 cores.
5870's in CF WILL be bottlenecked in that game with a Thuban.

I am encountering the same results. Crysis Warhead was utilizing my GTX 590 at like 30-40% usage for each GPU and games that use 4 or more cores still bottleneck my card.
So yes OP, it IS the cpu.

I've been an AMD fan if it comes down to CPU's but this old Phenom II architecture is just terrible.
I really hope bulldozer is gonna spice things up or else I'll switch over to sandy bridge soon enough.
Yeah, sometimes my usage goes as low as 20% on both cards. I wont be upgrading etc until after BD comes out. Keeping my fingers crossed that it is a game changer like the Athlon was, but I am a realist so I wont be getting too excited until I see benchmarks against the bridges of sand.

Gonna be a knockout fight with only one winner at the end.....me, lol
    
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