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Phenom II 955 Bottleneck? - Page 5  

post #41 of 60
Quote:
Originally Posted by BallaTheFeared View Post
You do know in the review you linked they're using weak gpus to start, and weaker ones on the i7 right?
All i could find. Was just trying to make the point that resolution is a factor in all this.

955 would be a far bigger bottleneck if the OP was playing @1280x1024 for example.
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post #42 of 60
Quote:
Originally Posted by BallaTheFeared View Post
Op simple way to test, rather than rely on others is to download MSI afterburner, detach the side monitoring, make it large, load up your favorite games and see if while playing your gpu usage drops below 99%. If it does you have a bottleneck. You can figure out what you want to do from there.
Unless Vsync is on, this is the case. If you're hitting 100% usage on your GPU then don't worry. You won't get a significant improvement in performance by changing CPU. If you're not, then it's quite possibly the case that it is bottlenecking and that you ought to try and push your overclock a bit higher.


There are potentially other reasons why your GPU wouldn't reach 100%, but it's most likely that those are the main causes.


Note: I'm not saying that swapping CPUs won't give a 1-5 fps increase in some games in some cases, but by and large, it won't be that important.
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post #43 of 60
If you can get 3.7-3.8 out of any quad, you're not bottlenecked for gaming. For that matter, if you have 3.7-3.8 out of a dual-core, you're not bottlenecked for all but maybe 2 games. Even at lower resolution, you'll be getting enough FPS that you're still not bottlenecked, 140FPS vs 220FPS for example, you're still way over what you need.

I wish this would be put to rest 'cause I'm tired of the misuse of that term and all the misinformation in the daily bottlenecking threads.
Edited by 2thAche - 2/22/11 at 5:13am
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post #44 of 60
Quote:
Originally Posted by 2thAche View Post
If you can get 3.7-3.8 out of any quad, you're not bottlenecked for gaming. For that matter, if you have 3.7-3.8 out of a dual-core, you're not bottlenecked for all but maybe 2 games. Even at lower resolution, you'll be getting enough FPS that you're still not bottlenecked.

I wish this would be put to rest 'cause I'm tired of the misuse of that term and all the misinformation in the daily bottlenecking threads.
That's just blatantly untrue. It's true that even a Core 2 Duo running at 3.8 Ghz with a reasonable amount of cache ought to get 30+ fps in almost every game. That doesn't mean that GPUs will not exceed this and make the CPU the limiting factor - particularly in games like GTA4.
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post #45 of 60
It's untrue for what? The maybe 2 games that can fully use a quad, which I mentioned? Maybe 3 games if you include L4D, but that game can run on slower hardware.

There are a few reasons to go for a faster CPU as a gamer:

1: You're milking all you can out of an older midrange GPU, like a GTX 260. Yes, you can make it more effective with a faster CPU platform if you're at 1680 or 1080p. But you can also buy a newer, faster GPU and get even BETTER gains if you have a C2D or better at 3.8GHz+.
2: You've got a monster setup like 2 or 3 GTX580s on multiple monitors. Even this becomes GPU limited though.
3: You're on a really slow/old CPU, like an FX62 that can't OC, or a Q8300 that can only make 3.2GHz.

At this point, Dual Cores are certainly getting to the end of their usefulness.
Edited by 2thAche - 2/22/11 at 5:17am
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post #46 of 60
at 1080p, expect FC2 (seems like it has some problem with AMD processors), your CPU won't bottleneck your GPU.
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post #47 of 60
I don't really know why people say "reach this magic number and you won't bottleneck".

It's just simply not true.

Here is my 1090T at 4.3 to 4.5 (anyones guess, but I never ran it below 4.3) with a 3+ ghz nb.



You can see on the right I was met with a bottleneck I could never overclock my self out of. And at the time I never even noticed it, it was only later when I was going through my uploads that I saw it and understood exactly what it meant.

It's a snip from World of Warcraft, and it depicts a single GTX 470 getting choked out hard.
Edited by BallaTheFeared - 2/22/11 at 5:18am
    
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post #48 of 60
Quote:
Originally Posted by 2thAche View Post
That's why I mentioned the maybe 2 games that can fully use a quad. Maybe 3 games if you include L4D, but that game can run on slower hardware.

There are a few reasons to go for a faster CPU as a gamer:

1: You're milking all you can out of an older midrange GPU, like a GTX 260. Yes, you can make it more effective with a faster CPU platform if you're at 1680 or 1080p. But you can also buy a newer, faster GPU and get even BETTER gains.
2: You've got a monster setup like 2 or 3 GTX580s on multiple monitors. Even this becomes GPU limited though.
3: You're on a really slow/old CPU, like an FX62 that can't OC, or a Q8300 that can only make 3.2GHz.

1. A mid range gpu won't benefit from a cpu upgrade (from a Phenom II), since it will already be the main bottleneck.

2. Ya.

3. k
Edited by BallaTheFeared - 2/22/11 at 5:20am
    
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post #49 of 60
Quote:
Originally Posted by BallaTheFeared View Post
I don't really know why people say "reach this magic number and you won't bottleneck".

It's just simply not true.

Here is my 1090T at 4.3 to 4.5 (anyones guess, but I never ran it below 4.3) with a 3+ ghz nb.



You can see on the right I was met with a bottleneck I could never overclock my self out of. And at the time I never even noticed it, it was only later when I was going through my uploads that I saw it and understood exactly what it meant.

It's a snip from World of Warcraft, and it depicts a single GTX 470 getting choked out hard.
Am i the only one that thnk's it's strange the cpu has not been on 100% on any core ? It would if it was a cpu bottleneck.

This does not fall under my definition of a bottleneck.
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post #50 of 60
What is your definition of a bottleneck?

It doesn't go to 100% cpu usage because windows is spreading thread workloads over multiple cores.

It's amazing how many people don't understand that.

Fire up SuperPI, which is single threaded... Let me know if your cores hit 100% usage.
    
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