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Do you need more than 3.5Ghz CPU for gaming? - Page 3

post #21 of 27
XLifted, it would help if we knew what GPU and Res you use. And so, in my Sig there's a link to "How to put your Rig in your Sig" just for this reason smile.gif
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post #22 of 27
Quote:
Is it worth it, and what are the improvements? Would it "untap" more capabilities on my Video Card, etc?

Won't uptap anything; just for an example:


If a game requires X cpu power for 100fps, lets say cpu @4ghz; if you only have half of that CPU performance, the game won't be able to pass 100fps regardless of available GPU power

^So therefore, doubling your CPU strengh can double your framerate, if game is cpu bound

^doubling FPS doubles the demand on the video card, so you could go from say 40% GPU load to 80%. Another possibility, and a common one; would be GPU at say 70% load before; when you have a stronger CPU and higher FPS, you can get more and more FPS til GPU hits 100% and is holding you back. Your limit would shift onto GPU then, for the times that it was at 100% load

^very rough numbers/explanation etc

An fx8320 at stock would get slaughtered in a lot of games, particularly the ones that don't scale well onto many cores
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post #23 of 27
Quote:
Originally Posted by Cyro999 View Post

Won't uptap anything; just for an example:


If a game requires X cpu power for 100fps, lets say cpu @4ghz; if you only have half of that CPU performance, the game won't be able to pass 100fps regardless of available GPU power

^So therefore, doubling your CPU strengh can double your framerate, if game is cpu bound

^doubling FPS doubles the demand on the video card, so you could go from say 40% GPU load to 80%. Another possibility, and a common one; would be GPU at say 70% load before; when you have a stronger CPU and higher FPS, you can get more and more FPS til GPU hits 100% and is holding you back. Your limit would shift onto GPU then, for the times that it was at 100% load

^very rough numbers/explanation etc

An fx8320 at stock would get slaughtered in a lot of games, particularly the ones that don't scale well onto many cores

lol the 8320 will do fine on just about any game and yes I own 3 I-7 intels ( 3610 Mobile , 2600k and 3770k) , and 2 8350's smile.gif
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post #24 of 27
Quote:
lol the 8320 will do fine on just about any game

I said stock 8320. Overclocked Haswell more than doubles its performance in sc2 and has massive leads in every game that doesn't scale well onto 6+ cores (on the scale of like 70% if they are cpu bound) so yea it'll do fine, like my old 950, but not perfect thumb.gif
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post #25 of 27
It's not about GHZ alone but architecture of the CPU. Besides, after around 4.2GHZ there's almost no difference in performance if you keep going up (unless you are on an AMD CPU). Besides not all games or applications need so much CPU speed. Most games are GPU limited rather than CPU limited.
post #26 of 27
^know that, was just trying to put a concept into simple terms, quite bad at it tongue.gif
Quote:
Besides, after around 4.2GHZ there's almost no difference in performance if you keep going up

Not really, a lot of stuff has linear scaling, few things like sc2 minimums has greater than linear returns on minimum fps, 4.7 vs 4.2 is like a +15-20% gap there

If you're like me and are targetting 100+fps on every game with a preference for RTS and performance over visuals, CPU is absolutely extremely important. If you're maxing settings on 1440p with one GPU (so your FPS is much lower and your CPU demands much lower too), eh, probably won't matter much as long as you have something decent, aside from a few stickout games
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post #27 of 27
Thread Starter 
Quote:
Originally Posted by deepor View Post

I don't mean options in the BIOS or things like that. I mean, the board's parts will physically not do it. They will get too hot if you increase voltage. For protection, the board will throttle the CPU's speed or shut down.

Your board has no heat sinks on the VRM from pictures I looked at. What needs a heat sink and cooling are those small square chips that are grouped together close to the CPU socket. That's what my post was about.

That missing heat sink is not the only difference to boards for overclocking. Those boards also use more VRM "phases". That means there are more chips being used, the work gets distributed more, each of the chips will run cooler. Alternatively, the parts used can be of different quality and might run cooler because of better efficiency. This means you might not even be able to improve your board enough by buying and gluing heat sinks onto the chips that need it.

What you can experiment with is overclocking without any increase in voltage. This will mean the CPU's power use won't increase (much), the VRM won't get any hotter than at stock speed. You won't need expensive CPU cooling, so you won't have to look into watercooling or anything like that, just some $20 air cooler if you'd like.

Ahh....makes sense.

That's what VRM is, I was looking to understand what it was. Since I got a heatsink on the other part I thought that's where mysterious VRM heatsink sits at.

But now I know. I actually touched those parts with my finger by accident, and YEAH they are freaking HOT... So I can imagine if you overclock, then again I don't know how much hotter it would get at 4.0ghz, since turbo clock pushes CPU there.

So in your opinion setting it to standard 4.0 Ghz would be too excessive, instead of 3.5ghz with 4.0 ghz default boost?


My Motherboard temperature is about 27-32 degrees celcius. Case is pretty ventilated. I put a good amount of effort of rearranging stuff around to find the best temperature and positioning of the fans. Will post the picture once I hop on the Windows side from this Mac laptop.

My CPU is around 32-35 Celcius right now. 42-46 under load.

GPU is 29-31 idle, to 52 Max playing Crysis 3, or Bioshock Infinite.
Quote:
Originally Posted by ACHILEE5 View Post

XLifted, it would help if we knew what GPU and Res you use. And so, in my Sig there's a link to "How to put your Rig in your Sig" just for this reason smile.gif

DONE! I was not proud of my rig before I finally put it together biggrin.gif

So I was postponing for as LONG AS POSSIBLE hahaha

Thanks for the guide.

I usually run what the game is set to default, so I don't go all crazy with higher resolutions, as to me it's not as important. So I would say default setting on the resolution itself. Not exactly sure, since I think some games vary in default settings.
Quote:
Originally Posted by Cyro999 View Post

Won't uptap anything; just for an example:


If a game requires X cpu power for 100fps, lets say cpu @4ghz; if you only have half of that CPU performance, the game won't be able to pass 100fps regardless of available GPU power

^So therefore, doubling your CPU strengh can double your framerate, if game is cpu bound

^doubling FPS doubles the demand on the video card, so you could go from say 40% GPU load to 80%. Another possibility, and a common one; would be GPU at say 70% load before; when you have a stronger CPU and higher FPS, you can get more and more FPS til GPU hits 100% and is holding you back. Your limit would shift onto GPU then, for the times that it was at 100% load

^very rough numbers/explanation etc

An fx8320 at stock would get slaughtered in a lot of games, particularly the ones that don't scale well onto many cores

I see, that's a good way to explain it though. I understand what you mean thumb.gif

So I'm guessing then with higher CPU overclock, GPU would be working harder, thus HIGHER temperatures?


Quote:
Originally Posted by pokerapar88 View Post

It's not about GHZ alone but architecture of the CPU. Besides, after around 4.2GHZ there's almost no difference in performance if you keep going up (unless you are on an AMD CPU). Besides not all games or applications need so much CPU speed. Most games are GPU limited rather than CPU limited.

That's what I was thinking. So to me it's a balancing act. I put in more money into CPU initially when I could've bought a better GPU. Not complaining though, since I'm sure 8 Cores will be used eventually.

I'm guessing you are on Intel, so I'm guessing you are not having as many heat problems as AMD FX users. Those things are scorching HOT.

If I had anything close to the set up like this now with heatsink and this case on Quad Core Phenom x4 B93 I had previous I would be probably at 27 degrees under load. Granted it would not perform as I would like.
Quote:
Originally Posted by Cape Cod View Post

Everything Deepor said plus the fact that you Mother board only has a 4 pin power connector for the cpu. You really need to have an 8 pin power connector or you will not have a stable overclock. Your cpu will throttle when you jump into game and put any kinda load on it. Example: you set your overclock to say 4.4 and that's fine for web browsing. When you jump into game your cpu because it doesn't
have enough power will down clock to say 3.2. The cpu can't sustain 4.4 will the lack of juice under load.

Yes there is a benefit to overclocking and gaming. As other people have stated you will get higher FPS. Plus it helps will FPS droop. Your fps will stabilize and not have as much fluctuation.

Is the 8 pin configuration important just because of the rail voltage per plug and/or is it needed because overclock ready board requires more voltage to power the actual process.

I know the socket is at 125 Watt default, so I assume it pushes it further than that on overclock (naturally so by the logic) and you need more voltage supply to the board?

Is it required to look for 8 pin board.

If I can't do it now, I definitely won't cry smile.gif just want to make sure I'm looking for correct stuff in the future. Since I thought this board is good for future overclocking.



EDIT: Picture of airflow, lol may look crazy, but works the best out of all configurations I have tried.

Also side panel is blowing air in, one on the GPU, second one on CPU

So 1 Cougar taking air out of the back. 2 stock 120 mm fans taking it up from the top of the case (can't see in the picture). One fan inside under the DVD drive pushing hot air to the back of the case out. One fan 120 mm in the front taking air in and to the where PSU resides. One 80 mm fan taking air in from the bottom. One 120 mm taking air from the bottom up blowing on GPU. PSU taking air in (eats most of the heat from the gpu nicely. Heatsink fan blowing down on CPU, 1 side fan blowing air on CPU, one side fan blowing air right below of GPU bringing cool air in.


Edited by XLifted - 10/19/13 at 3:59pm
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Cubic Rubik
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