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I just did a test

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  • wildstyle91


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Posted 28 April 2012 - 07:30 PM

I did a benchmark with gta4 and I disabled 2 of the cores on my quad core i5 750. It still came out with 60fps. So does having a duel core really make much difference than having a quad core, is the graphics card the most important factor? The processor is set to 3.2GHz and the graphics card is a GTX560ti.

Average FPS: 59.48
Duration: 37.02 sec
CPU Usage: 49%
System memory usage: 44%
Video memory usage: 52%

Graphics Settings
Video Mode: 1920 x 1080 (60 Hz)
Texture Quality: High
Shadow Quality: High
Reflection Resolution: Very High
Water Quality: Very High
Texture Filter Quality: Anisotropic x4
Night Shadows: High
View Distance: 25
Detail Distance: 31

Microsoft Windows 7 Home Premium
Service Pack 1
Video Adapter: NVIDIA GeForce GTX 560 Ti  
Video Driver version: 301.24
Audio Adapter: Speakers (ASUS Xonar DG Audio Device)
Intel(R) Core(TM) i5 CPU         750  @ 2.67GHz

  • unc13bud

    I stay mad @ Rockstar

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Posted 28 April 2012 - 08:59 PM

sometimes i think widnows doesn't really disable stuff when they say its disabled. i installed microsoft security essentials (since the windows 8 was validated, i figure why not try it? biggrin.gif), even when i disabled it, it crashed gta IV EVERYTIME i played it. after the third time, i uninstalled it. problem gone. i5 750? it has hyperthreading?
maybe gta IV recognizes it differently than older intel CPUs, i don't know.

  • mkey82

    Keep riding hard, son

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Posted 28 April 2012 - 09:12 PM

The benchmark is practically broken, so that's another possible cause.

  • Stinky12

    No title

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Posted 28 April 2012 - 09:44 PM

Just curious as to exactly how you managed to disabled the cores? Did you do it inside the bios or force the OS to run only on 2 out of the 4 cores? Post a pic of CPU-Z so that we can verify if the cores are actually disabled or not.
For the in game benchmark, it does not reflect real world game play.

  • wildstyle91


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Posted 28 April 2012 - 09:52 PM

I went to task manager, processes, right click gta4.exe, set affinity then untick 2 of the cores. I could see on the performance graph that only 2 of the cores were in operation, the other 2 were at 0% usage. As you can see on the benchmark that the CPU = 49% so it is using 2 cores at almost 100% and the other 2 at 0%. I tested a few minutes in a 30 player multiplayer and it seemed pretty smooth. I'm pretty sure it doesn't have hyper threading, that is the i7.

I will post a screen later.

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