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GTA IV: Crap Performance on Core 2 Quad Q9300

Last response: in CPUs
May 15, 2010 8:39:46 AM

Hey forum,
so recently upgraded my old parts to a better system, but it seems its not enough to max out Grand theft auto IV and i cant understand why.
I get really bad fps when i max it out lik 20-30fps and sometimes dips under 20.

Old Pc:
Intel Pentium Dual Core E6300 2.80Ghz @ 3.60Ghz
4GB 800Mhz 5-5-5-15 Corsair
Sapphire HD4850 GDDR3 512MB Idle Temp~46c Load Temp~78c
Gigabyte GA-G31M-ES2L

New Pc:
Intel Core 2 Quad Q9300 2.50Ghz @ 3.20Ghz
4GB 854Mhz 5-5-5-12 Corsair 1:1
Sapphire Radeon HD4870 1GB Dual Slot. Idle temp~29c Load Temp~53c
Seagate Barracuda 7200.12 500GB+ Western Digital 320GB
Gigabyte GA-G31M-ES2L

Much help appreciated
a b à CPUs
May 15, 2010 9:04:38 AM

Well, maxing out GTA IV with an HD 5970 gets you around 60 FPS, so 25 FPS average is pretty good.
May 15, 2010 10:56:06 AM

Despite the fact you have a pretty decent gaming system, the fact remains that GTA requires a lot of gaming muscle to run, especially maxed out.

You don't mention the resolution you are playing at, but I guess 1600x1080 by the FPS you're getting. GTA likes CPU power, so you could try increasing the clock speed beyond 3.2Ghz - heat and voltage permitting. Some more GPU power would go amiss either, a 4870 is a nice card, but you'd need to look towards the ATI 58xx or Nvidia GTX 400 series to max it out.

Either that or just turn down the settings a bit :) 

And I have no idea what the guy above is talking about either....!
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May 15, 2010 2:17:57 PM

update your gta4, if its at or patch then it will perform alot better than the first release
a c 83 à CPUs
May 15, 2010 8:50:07 PM

Don't know your resolution, but your gpu limited not cpu limited. A 3.6Ghz Core2 is more than enough to run GTA IV, moving to the C2Q helps, but I wouldn't expect a dramatic increase. There isn't much difference between a 4850 and 4870 performance wise, that is why your not seeing a big difference in performance.
a b à CPUs
May 15, 2010 9:18:42 PM

As long as your view distance isn't turned all the way up, you should be fine.

The 4870 1GB can't max out the view distance since GTA4 is a VRAM hog (and a system RAM hog)
May 15, 2010 10:50:22 PM

GTA4 is really badly ported even Crysis runs better on older PCs so that's there's only 25FPS.
May 16, 2010 7:05:53 AM

it is because of your graphics play at max you either have to have NVIDIA GEFORCE GTX260 896Mb or ATI Radeon HD 4890
a b à CPUs
May 16, 2010 8:58:35 AM

Well, don't expect to max out the draw distance setting despite the 1GB DDR5, you need at least 1,792 ( or 2x 896) GPU memory to max it out. Even better with 2GB. A q9300 is more than enough for GTA IV because every quad core ( even those crappy old first generation AMD Phenom 9600, 9700 ) can max it out with descent GPU with big frame buffer ( at least 1GB ) because for GTA IV the number of processing cores is a lot more important than core frequency.

For other games 1GB GPU memory is more than enough.
May 16, 2010 11:34:30 AM

chrissmartin said:
it is because of your graphics play at max you either have to have NVIDIA GEFORCE GTX260 896Mb or ATI Radeon HD 4890

They both have about the same performance has the HD 4870.
a b à CPUs
May 16, 2010 11:48:29 AM

Userremoved said:
They both have about the same performance has the HD 4870.

I even think an HD 4890 would be overkill for GTA IV. This game just requires a big ( and i mean BIG ) amount of VRAM and quad core CPU
May 16, 2010 11:54:48 AM

Eyefenity 6 monitor anyone?