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GTA 4 PC - Performance help PLEASE!!

Last response: in Graphics & Displays
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April 19, 2010 4:05:05 PM

Hi, i bought gta 4 for ps3 and for my pc a few months after the release. i have recently been playing it and trying to get the graphics options to full as i think my pc should be able to handle no problem.
here are my specs:-


i7 cpu 920 2.67GHz
6.00 GB ram x64-bit
NVIDIA GeForce GTX 260 - 3688mb

my problem is i can run it in high settings but i want it higher its only letting me use around 700 - 800mb of graphics memory, when i have forced it to go to full specs my FPS drops from around 40-50 to 15-18 maybe a little higher when nothing is happening.

i also have just updated my pc today from vista to windows 7 as i have seen it improve people gaming performances and FPS but i just wasted £60 because its done nothing

I would really be grateful if anyone could shed some light on this or tell me if my pc is just basiclly not good enough.

Thanks

More about : gta performance

April 19, 2010 4:16:09 PM

well first off, your gtx 260 could not have 3688 mb of memory, they only 896 or double that at 1792, I'm assumming based on the game that you only have the 896 mb version of the card, since it's stopping you at 700-800mb which would make sense.
If your putting the memory up that high your probably forcing the buffer onto your normal ram, which is far slower than the onboard vram
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April 19, 2010 4:34:51 PM

thanks for the reply jonnyboyc.

i said 3688mb of memory because when i run dxdiag from the start menu it give me that figure


Name: NIVIDIA GeForce GTX 260
Manufacturer: NVIDIA
Chip Type: GeForce GTX 260
DAC Type: Intergrated RAMDAC
Approx. Total Memory: 3688 MB
Current Display Mode: 1440 x 900 (32 bit) (60Hz)
Monitor: HP W1907 Wide LCD Monitor



Thats what it says under display/device, im sorry i was just writing down what the computer told me.

The frustrating thing is i am able to run crysis,fallout3,mass effect 2, empire: total war ALL in the highest specs possible with no problems and excellent FPS why not gta
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April 19, 2010 4:49:47 PM

it's probably giving you all available memory that can be allocated to your video card. And your pretty much running it on highest, the only thing the extra memory does is increase the draw distance for objects and textures, it's still probably highest quality , just not a super crazy draw distance
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April 19, 2010 4:54:42 PM

oh right, ok. thanks for the info. i thought it was something up with gta 4 because alot of people seem to be having the same problem were its not letting them use any were near the amout of memory they have got. well thanks again.
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