CPU Core and its effect to gaming perfomance

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electricsnake

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Dec 6, 2013
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I want to ask u some question
1.How people know how much core does game support?example i ady read that witcher use 2 core or etc

2.Is Much core means better performance?


 
Solution
ewok93
Well one way to tell is to run a game at its maximum potential and go into task manger and change your core affinities, sometimes you can only have 2 cores being utilized and have the same performance as if you had it using all 8. If a game uses 8 cores, an 8 core CPU will perform well, but if it only uses 2, a quad core with more powerful cores will be better.
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ewok93

ewok93

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Well one way to tell is to run a game at its maximum potential and go into task manger and change your core affinities, sometimes you can only have 2 cores being utilized and have the same performance as if you had it using all 8. If a game uses 8 cores, an 8 core CPU will perform well, but if it only uses 2, a quad core with more powerful cores will be better.
 
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azathoth

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A good amount of games still only fully utilize two cores.
But a lot are now using Four cores, and a couple are even now utilizing up to Eight!

More cores does NOT always equal more performance though. There are some other factors to consider.

The clockspeed PER core, and the IPC (instructions per clock). IPC means an older 2.4Ghz processor, can be slower than a Newer generation processor at 2Ghz because it processes more instructions per clock.

For instance, a prime example is Intel and AMD's newer generation processors.
The FX-8320 has 8 'cores' at 3.5Ghz
The i5 4440 has 4 cores at 3.1Ghz.

For an application that would fully utilize 8 cores such as media encoding, the 8 cores of the FX-8320 would crush the i5-4440.

However, for an application that would only use 4 cores, even with the i5 4440 being 400Mhz slower per core, its IPC is much higher. In this case the i5-4440 would lead with less cores.

Seeing as 99% of games use 4 cores, heck most still only use 2. In gaming scenarios the i5-4440 with HALF the core count of the FX-8320 would be faster. (For now)
 
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vixl2ds

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I think it all depends how a game is written... and to know whether a game can use 2 or 4 or 8 cores you will have to either check the game producer or check the game forums... but it all depends on how is a game written...

basicaly yes, if a game can utilize 4 cores, it should run better on 4 cores (although I have no knowledge about how better: smoother, less lag, whatever)

i might be wrong also, but I thikn either a certain cpu can run a game or it cannot... if it can, then the major role then goes on a video card to make it smoother... particularly i dont know what cpu does in games, probably process all the physics...
 
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mohit9206

mohit9206

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The future is heading towards parellism so games will use even more cores in the future.The reason why most games today still only use 2 cores is because it is difficult to program games to run on multiple cores so developers choose the easy way out and program it for only 2 cores.
 
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electricsnake

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thanks for your answer....btw,how can i see my game performance?i already know how to change core afinities,but i dont know where i can see the game performance
 
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